Qashqai J11. Engine control system (MR20DD) — part 1
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CONTENTS
ENGINE CONTROL SYSTEM (MR)
MR20DD
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precaution for Procedure without Cowl Top Cover
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Precautions for Removing Battery Terminal . . .....
On Board Diagnostic (OBD) System of Engine
and CVT . . . . . . . . . . . . . . . . ....
General Precautions . . . . . . . . . . . .....
PREPARATION . . . . . . . . . . ...
PREPARATION . . . . . . . . . . . . ..
Special Service Tools . . . . . . . . . . . ..
Commercial Service Tools . . . . . . . . . ..
SYSTEM DESCRIPTION . . . . . . . .
COMPONENT PARTS . . . . . . . . . ...
ENGINE CONTROL SYSTEM . . . . . . . . ...
ENGINE CONTROL SYSTEM : Component Parts
Location . . . . . . . . . . . . . . . . ...
ECM . . . . . . . . . . . . . . . . . .
Accelerator Pedal Position Sensor . . . . . . ..
Electric Throttle Control Actuator . . . . . . .
Ignition Coil With Power Transistor . . . . . . .
Fuel Injector . . . . . . . . . . . . . . .
High Pressure Fuel Pump . . . . . . . . . ...
Fuel Rail Pressure Sensor . . . . . . . . . ..
Low Pressure Fuel Pump . . . . . . . . . .
Mass Air Flow Sensor (With Intake Air Tempera-
ture Sensor) . . . . . . . . . . . . . . .
Engine Coolant Temperature Sensor . . . . . ..
Crankshaft Position Sensor . . . . . . . . . .
Camshaft Position Sensor . . . . . . . . . ...
Intake Valve Timing Control Solenoid Valve . . ...
Exhaust Valve Timing Control Position Sensor . ...
Exhaust Valve Timing Control Solenoid Valve . .
Intake Manifold Runner Control Valve . . . . . .
Air Fuel Ratio (A/F) Sensor 1 . . . . . . . . ..
Heated Oxygen Sensor 2 . . . . . . . . . .
Barometric Pressure Sensor . . . . . . . . ...
Knock Sensor . . . . . . . . . . . . . . ..
Engine Oil Pressure Sensor . . . . . . . . .
Engine Oil Temperature Sensor . . . . . . . ..
Cooling Fan . . . . . . . . . . . . . . . .
Cooling Fan Resistor . . . . . . . . . . . ...
EVAP Canister Purge Volume Control Solenoid
Valve . . . . . . . . . . . . . . . . . .
Refrigerant Pressure Sensor . . . . . . . . ...
Stop Lamp Switch and Brake pedal position
switch . . . . . . . . . . . . . . . . . ...
Clutch Pedal Position Switch . . . . . . . . ...
Clutch Interlock Switch . . . . . . . . . . .
ASCD Steering Switch . . . . . . . . . . . .
STRUCTURE AND OPERATION . . . . . .
Positive Crankcase Ventilation . . . . . . . .
SYSTEM . . . . . . . . . . . . . . .
ENGINE CONTROL SYSTEM . . . . . . . . ...
ENGINE CONTROL SYSTEM : System Descrip-
tion . . . . . . . . . . . . . . . . . . ...
ENGINE CONTROL SYSTEM : Fail-safe . . . .
DIG (DIRECT INJECTION GASOLINE) SYSTEM . .
DIG (DIRECT INJECTION GASOLINE) SYSTEM
: System Description . . . . . . . . . . . .
FUEL PRESSURE CONTROL . . . . . . . . ...
FUEL PRESSURE CONTROL : System Descrip-
tion . . . . . . . . . . . . . . . . . . ...
ELECTRIC IGNITION SYSTEM . . . . . . . . .
ELECTRIC IGNITION SYSTEM : System De-
scription . . . . . . . . . . . . . . . . ...
IDLE SPEED CONTROL . . . . . . . . . . ...
ECM-2
COOLING FAN CONTROL . . . . . . . . . ...
COOLING FAN CONTROL : System Description ...
INTAKE VALVE TIMING CONTROL . . . . . ....
INTAKE VALVE TIMING CONTROL : System De-
scription . . . . . . . . . . . . . . . . ..
EXHAUST VALVE TIMING CONTROL . . . . ....
EXHAUST VALVE TIMING CONTROL : System
Description . . . . . . . . . . . . . . . ..
INTAKE MANIFOLD RUNNER CONTROL . . . ..
INTAKE MANIFOLD RUNNER CONTROL : Sys-
tem Description . . . . . . . . . . . . . ...
ENGINE PROTECTION CONTROL AT LOW EN-
GINE OIL PRESSURE . . . . . . . . . . . ..
ENGINE PROTECTION CONTROL AT LOW EN-
GINE OIL PRESSURE : System Description . . .
AIR CONDITIONING CUT CONTROL . . . . . ..
AIR CONDITIONING CUT CONTROL : System
Description . . . . . . . . . . . . . . . ..
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ...
AUTOMATIC SPEED CONTROL DEVICE (AS-
CD) : System Description . . . . . . . . . ...
GEAR SHIFT INDICATOR SYSTEM . . . . . ....
GEAR SHIFT INDICATOR SYSTEM : System De-
scription . . . . . . . . . . . . . . . . ..
ECO MODE SYSTEM . . . . . . . . . . . ...
ECO MODE SYSTEM : System Description . . ..
INTEGRATED CONTROL OF ENGINE, CVT, AND
ABS . . . . . . . . . . . . . . . . . . ...
INTEGRATED CONTROL OF ENGINE, CVT,
AND ABS : System Description . . . . . . . ..
EVAPORATIVE EMISSION SYSTEM . . . . . ...
EVAPORATIVE EMISSION SYSTEM : System
Description . . . . . . . . . . . . . . . ..
POWER GENERATION VOLTAGE VARIABLE
CONTROL SYSTEM . . . . . . . . . . . . .
POWER GENERATION VOLTAGE VARIABLE
CONTROL SYSTEM : System Description . . ....
INFORMATION DISPLAY (COMBINATION
METER) . . . . . . . . . . . . . . . . . .
INFORMATION DISPLAY (COMBINATION
METER) : ASCD Indicator . . . . . . . . . ..
INFORMATION DISPLAY (COMBINATION
METER) : Engine Oil Pressure Warining . . . ....
CAN COMMUNICATION . . . . . . . . . . ...
CAN COMMUNICATION : System Description . ..
OPERATION . . . . . . . . . . . . . ..
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ...
AUTOMATIC SPEED CONTROL DEVICE (AS-
CD) : Switch Name and Function . . . . . . ...
ON BOARD DIAGNOSTIC (OBD) SYSTEM . .
Diagnosis Description . . . . . . . . . . . .
GST (Generic Scan Tool) . . . . . . . . . ...
DIAGNOSIS SYSTEM (ECM) . . . . . . .
DIAGNOSIS DESCRIPTION . . . . . . . . . .
DIAGNOSIS DESCRIPTION : 1st Trip Detection
Logic and Two Trip Detection Logic . . . . . .
DIAGNOSIS DESCRIPTION : DTC and Freeze
Frame Data . . . . . . . . . . . . . . . .
DIAGNOSIS DESCRIPTION : Counter System . ..
DIAGNOSIS DESCRIPTION : Driving Pattern . .
DIAGNOSIS DESCRIPTION : System Readiness
Test (SRT) Code . . . . . . . . . . . . . .
DIAGNOSIS DESCRIPTION : Malfunction Indica-
tor Lamp (MIL) . . . . . . . . . . . . . .
On Board Diagnosis Function . . . . . . . . .
CONSULT Function . . . . . . . . . . . .
ECU DIAGNOSIS INFORMATION . . . .
ECM . . . . . . . . . . . . . . . . ...
Reference Value . . . . . . . . . . . . . .
Fail-safe . . . . . . . . . . . . . . . . ..
DTC Inspection Priority Chart . . . . . . . . .
DTC Index . . . . . . . . . . . . . . . ...
Test Value and Test Limit . . . . . . . . . ...
WIRING DIAGRAM . . . . . . . . ...
ENGINE CONTROL SYSTEM . . . . . . ..
Wiring Diagram . . . . . . . . . . . . . .
BASIC INSPECTION . . . . . . . . .
DIAGNOSIS AND REPAIR WORKFLOW . .
Work Flow . . . . . . . . . . . . . . . .
Diagnostic Work Sheet . . . . . . . . . . .
ADDITIONAL SERVICE WHEN REPLACING
ECM . . . . . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . .
Work Procedure . . . . . . . . . . . . .
VIN REGISTRATION . . . . . . . . . .
Description . . . . . . . . . . . . . . .
Work Procedure . . . . . . . . . . . . .
ACCELERATOR PEDAL RELEASED POSI-
TION LEARNING . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . .
Work Procedure . . . . . . . . . . . . .
THROTTLE VALVE CLOSED POSITION
LEARNING . . . . . . . . . . . . . ...
Description . . . . . . . . . . . . . . .
Work Procedure . . . . . . . . . . . . .
IDLE AIR VOLUME LEARNING . . . . . ...
ECM-3
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Work Procedure . . . . . . . . . . . . .
MIXTURE RATIO SELF-LEARNING VALUE
CLEAR . . . . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . .
Work Procedure . . . . . . . . . . . . .
BASIC INSPECTION . . . . . . . . . .
Work Procedure . . . . . . . . . . . . .
FUEL PRESSURE CHECK . . . . . . . ..
Work Procedure . . . . . . . . . . . . .
DTC/CIRCUIT DIAGNOSIS . . . . . ...
TROUBLE DIAGNOSIS - SPECIFICATION
VALUE . . . . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
POWER SUPPLY AND GROUND CIRCUIT .
Diagnosis Procedure . . . . . . . . . . . .
U0101 CAN COMM CIRCUIT . . . . . . ...
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
U1001 CAN COMM CIRCUIT . . . . . . ...
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
U1040 ENG COMM CIRCUIT . . . . . . ...
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
U1044 ENG COMM CIRCUIT . . . . . . ...
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
U1050, U1051 LIN COMMUNICATION . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0011 IVT CONTROL . . . . . . . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0014 EVT CONTROL . . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0031, P0032 A/F SENSOR 1 HEATER . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0037, P0038 HO2S2 HEATER . . . . . ...
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0075 IVT CONTROL SOLENOID VALVE .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0078 EVT CONTROL SOLENOID VALVE ...
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0087, P0088, P0090 FRP CONTROL SYS-
TEM . . . . . . . . . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0102, P0103 MAF SENSOR . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0107, P0108 BAROMETRIC PRESSURE
SENSOR . . . . . . . . . . . . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0112, P0113 IAT SENSOR . . . . . . ...
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0117, P0118 ECT SENSOR . . . . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0122, P0123 TP SENSOR . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0130 A/F SENSOR 1 . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0131 A/F SENSOR 1 . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0132 A/F SENSOR 1 . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0137 HO2S2 . . . . . . . . . . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
ECM-4
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0139 HO2S2 . . . . . . . . . . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P014C, P014D A/F SENSOR 1 . . . . . ...
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0171 FUEL INJECTION SYSTEM FUNC-
TION . . . . . . . . . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0172 FUEL INJECTION SYSTEM FUNC-
TION . . . . . . . . . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0190 FRP SENSOR . . . . . . . . . ...
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0197, P0198 EOT SENSOR . . . . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0201, P0202, P0203, P0204 FUEL INJEC-
TOR . . . . . . . . . . . . . . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0222, P0223 TP SENSOR . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0300, P0301, P0302, P0303, P0304 MIS-
FIRE . . . . . . . . . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0327, P0328 KS . . . . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0335 CKP SENSOR . . . . . . . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0340 CMP SENSOR . . . . . . . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0365 EXHAUST VALVE TIMING CONTROL
POSITION SENSOR . . . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0420 THREE WAY CATALYST FUNCTION ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0444 EVAP CANISTER PURGE VOLUME
CONTROL SOLENOID VALVE . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0500 VSS . . . . . . . . . . . . . .
EXCEPT FOR M/T MODELS . . . . . . . . ..
EXCEPT FOR M/T MODELS : DTC Description ..
EXCEPT FOR M/T MODELS : Diagnosis Proce-
dure . . . . . . . . . . . . . . . . . ...
M/T MODELS . . . . . . . . . . . . . . ..
M/T MODELS : DTC Description . . . . . . ..
M/T MODELS : Diagnosis Procedure . . . . ...
P0506 ISC SYSTEM . . . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0507 ISC SYSTEM . . . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0520 EOP SENSOR . . . . . . . . . ...
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0524 ENGINE OIL PRESSURE . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0603, P062F ECM . . . . . . . . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0604 ECM . . . . . . . . . . . . . ...
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0605 ECM . . . . . . . . . . . . . ...
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0606 ECM . . . . . . . . . . . . . ...
DTC Description . . . . . . . . . . . . .
ECM-5
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P0607 ECM . . . . . . . . . . . . . ...
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0611 ECM PROTECTION . . . . . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P062B ECM . . . . . . . . . . . . . ..
DTC Description . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0643 SENSOR POWER SUPPLY . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0850 REVERSE/NEUTRAL POSITION
SWITCH . . . . . . . . . . . . . . .
CVT . . . . . . . . . . . . . . . . . . ..
CVT : DTC Description . . . . . . . . . . ..
CVT : Diagnosis Procedure . . . . . . . . ...
M/T . . . . . . . . . . . . . . . . . . ...
M/T : DTC Description . . . . . . . . . . ...
M/T : Diagnosis Procedure . . . . . . . . .
P1078 EVT CONTROL POSITION SENSOR ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P1197 OUT OF GAS . . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P1212 TCS COMMUNICATION LINE . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P1217 ENGINE OVER TEMPERATURE . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P1225 TP SENSOR . . . . . . . . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P1226 TP SENSOR . . . . . . . . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P155D GENERATOR . . . . . . . . . ...
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P1564 ASCD STEERING SWITCH . . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P1568 SIGNAL INVALID . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P1572 BRAKE PEDAL POSITION SWITCH ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection (Brake Pedal Position
Switch) . . . . . . . . . . . . . . . . ...
Component Inspection (Stop Lamp Switch) . . ..
P1574 ASCD VEHICLE SPEED SENSOR . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P1805 BRAKE SWITCH . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection (Stop Lamp Switch) . . ..
P2008 INTAKE MANIFOLD RUNNER CON-
TROL VALVE . . . . . . . . . . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P2100, P2103 THROTTLE CONTROL MO-
TOR RELAY . . . . . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P2101 ELECTRIC THROTTLE CONTROL
FUNCTION . . . . . . . . . . . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P2118 THROTTLE CONTROL MOTOR . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P2119 ELECTRIC THROTTLE CONTROL
ACTUATOR . . . . . . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P2122, P2123 APP SENSOR . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P2127, P2128 APP SENSOR . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P2135 TP SENSOR . . . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
ECM-6
P2138 APP SENSOR . . . . . . . . . ..
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
FUEL INJECTOR . . . . . . . . . . . .
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection (Fuel Injector) . . . . ...
Component Inspection (Fuel Injector Relay) . . .
LOW PRESSURE FUEL PUMP . . . . . ..
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection (Fuel Pump) . . . . . ..
HIGH PRESSURE FUEL PUMP . . . . . ..
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection (High Pressure Fuel
Pump) . . . . . . . . . . . . . . . . .
Component Inspection (High Pressure Fuel Pump
Relay) . . . . . . . . . . . . . . . . .
IGNITION SIGNAL . . . . . . . . . . ...
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection (Ignition Coil With Power
Transistor) . . . . . . . . . . . . . . . .
Component Inspection (Condenser) . . . . . ..
ELECTRICAL LOAD SIGNAL . . . . . . .
Description . . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
SENSOR POWER SUPPLY 2 CIRCUIT . . ..
Description . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
REFRIGERANT PRESSURE SENSOR . . ..
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
COOLING FAN . . . . . . . . . . . .
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection (Cooling Fan Motor) . . ..
Component Inspection (Cooling Fan Relay) . . ..
Component Inspection (Cooling Fan Resistor) . ..
MALFUNCTION INDICATOR LAMP (MIL) . .
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
INFORMATION DISPLAY (ASCD) . . . . ...
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
CLUTCH PEDAL POSITION SWITCH . . . .
Description . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection (Clutch Pedal Position
Switch) . . . . . . . . . . . . . . . . ..
BRAKE PEDAL POSITION SWITCH . . . ...
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection (Brake Pedal Position
Switch) . . . . . . . . . . . . . . . . ..
SYMPTOM DIAGNOSIS . . . . . . ...
ENGINE CONTROL SYSTEM . . . . . . ..
Symptom Table . . . . . . . . . . . . . .
PERIODIC MAINTENANCE . . . . . ..
IDLE SPEED . . . . . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . ..
IGNITION TIMING . . . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . ..
EVAPORATIVE EMISSION SYSTEM . . . ..
Inspection . . . . . . . . . . . . . . . ..
POSITIVE CRANKCASE VENTILATION . . .
Inspection . . . . . . . . . . . . . . . ..
REMOVAL AND INSTALLATION . . . .
ECM . . . . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . .
Idle Speed . . . . . . . . . . . . . . . .
Ignition Timing . . . . . . . . . . . . . ...
Calculated Load Value . . . . . . . . . . ..
ECM-8
< PRECAUTION >
[MR20DD]
PRECAUTIONS
• When disconnecting the 12V battery terminal, turn off the ACC
power before disconnecting the 12V battery terminal, observing
“How to disconnect 12V battery terminal” described below.
NOTE:
Some ECUs operate for a certain fixed time even after ignition
switch is turned OFF and ignition power supply is stopped. If the
battery terminal is disconnected before ECU stops, accidental DTC
detection or ECU data damage may occur.
• For vehicles with the 2-batteries, be sure to connect the main bat-
tery and the sub battery before turning ON the ignition switch.
NOTE:
If the ignition switch is turned ON with any one of the terminals of
main battery and sub battery disconnected, then DTC may be detected.
• After installing the 12V battery, always check "Self Diagnosis Result" of all ECUs and erase DTC.
NOTE:
The removal of 12V battery may cause a DTC detection error.
HOW TO DISCONNECT 12V BATTERY TERMINAL
Disconnect 12V battery terminal according to Instruction 1 or Instruction 2 described below.
For vehicles parked by ignition switch OFF, refer to Instruction 2.
INSTRUCTION 1
1.
Open the hood.
2.
Turn key switch to the OFF position with the driver side door opened.
3.
Get out of the vehicle and close the driver side door.
4.
Wait at least 3 minutes. For vehicle with the engine listed below, remove the battery terminal after a lapse
of the specified time.
CAUTION:
While waiting, never operate the vehicle such as locking, opening, and closing doors. Violation of
this caution results in the activation of ACC power supply according to the Auto ACC function.
5.
Remove 12V battery terminal.
CAUTION:
After installing 12V battery, always check self-diagnosis results of all ECUs and erase DTC.
INSTRUCTION 2 (FOR VEHICLES PARKED BY IGNITION SWITCH OFF)
1.
Unlock the door with intelligent key or remote keyless entry.
NOTE:
At this moment, ACC power is supplied.
2.
Open the driver side door.
3.
Open the hood.
4.
Close the driver side door.
5.
Wait at least 3 minutes.
CAUTION:
While waiting, never operate the vehicle such as locking, opening, and closing doors. Violation of
this caution results in the activation of ACC power supply according to the Auto ACC function.
6.
Remove 12V battery terminal.
CAUTION:
After installing 12V battery, always check self-diagnosis results of all ECUs and erase DTC.
SEF289H
D4D engine
: 20 minutes
HRA2DDT
: 12 minutes
K9K engine
: 4 minutes
M9R engine
: 4 minutes
R9M engine
: 4 minutes
V9X engine
: 4 minutes
PRECAUTIONS
ECM-9
< PRECAUTION >
[MR20DD]
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On Board Diagnostic (OBD) System of Engine and CVT
INFOID:0000000010702780
The ECM has an on board diagnostic system. It will light up the malfunction indicator lamp (MIL) to warn the
driver of a malfunction causing emission deterioration.
CAUTION:
• Be sure to turn the ignition switch OFF and disconnect the negative battery cable before any repair
or inspection work. The open/short circuit of related switches, sensors, solenoid valves, etc. will
cause the MIL to light up.
• Be sure to connect and lock the connectors securely after work. A loose (unlocked) connector will
cause the MIL to light up due to the open circuit. (Be sure the connector is free from water, grease,
dirt, bent terminals, etc.)
• Certain systems and components, especially those related to OBD, may use a new style slide-lock-
ing type harness connector. For description and how to disconnect, refer to
.
• Be sure to route and secure the harnesses properly after work. The interference of the harness with
a bracket, etc. may cause the MIL to light up due to the short circuit.
• Be sure to connect rubber tubes properly after work. A misconnected or disconnected rubber tube
may cause the MIL to light up due to the malfunction of the EVAP system or fuel injection system,
etc.
• Be sure to erase the unnecessary malfunction information (repairs completed) from the ECM and
TCM (Transmission control module) before returning the vehicle to the customer.
General Precautions
INFOID:0000000010702781
• Always use a 12 volt battery as power source.
• Do not attempt to disconnect battery cables while engine is
running.
• Before connecting or disconnecting the ECM harness con-
nector, turn ignition switch OFF and disconnect negative bat-
tery cable. Failure to do so may damage the ECM because
battery voltage is applied to ECM even if ignition switch is
turned OFF.
• Before removing parts, turn ignition switch OFF and then dis-
connect battery ground cable.
• Do not disassemble ECM.
• If a battery cable is disconnected, the memory will return to
the ECM value.
The ECM will now start to self-control at its initial value.
Engine operation can vary slightly when the terminal is dis-
connected. However, this is not an indication of a malfunc-
tion. Do not replace parts because of a slight variation.
• If the battery is disconnected, the following emission-related
diagnostic information will be lost within 24 hours.
- Diagnostic trouble codes
- 1st trip diagnostic trouble codes
- Freeze frame data
- 1st trip freeze frame data
- System readiness test (SRT) codes
- Test values
SEF289H
JPBIA4618ZZ
ECM-10
< PRECAUTION >
[MR20DD]
PRECAUTIONS
• When connecting or disconnecting pin connectors into or
from ECM, take care not to damage pin terminals (bend or
break).
Make sure that there are not any bends or breaks on ECM pin
terminal, when connecting pin connectors.
• Securely connect ECM harness connectors.
A poor connection can cause an extremely high (surge) volt-
age to develop in coil and condenser, thus resulting in dam-
age to ICs.
• Keep engine control system harness at least 10 cm (4 in) away
from adjacent harness, to prevent engine control system mal-
functions due to receiving external noise, degraded operation
of ICs, etc.
• Keep engine control system parts and harness dry.
• Before replacing ECM, perform ECM Terminals and Reference
Value inspection and make sure ECM functions properly.
Refer to
.
• Handle mass air flow sensor carefully to avoid damage.
• Do not clean mass air flow sensor with any type of detergent.
• Do not disassemble electric throttle control actuator.
• Even a slight leak in the air intake system can cause serious
incidents.
• Do not shock or jar the camshaft position sensor (PHASE),
crankshaft position sensor (POS).
• After performing each TROUBLE DIAGNOSIS, perform DTC
CONFIRMATION PROCEDURE or Component Function
Check. The DTC should not be displayed in the DTC Confir-
mation Procedure if the repair is completed. The Component
Function Check should be a good result if the repair is com-
pleted.
PBIB0090E
MEF040D
SAT652J
PRECAUTIONS
ECM-11
< PRECAUTION >
[MR20DD]
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• When measuring ECM signals with a circuit tester, never allow
the two tester probes to contact.
Accidental contact of probes will cause a short circuit and
damage the ECM power transistor.
• Do not operate fuel pump when there is no fuel in lines.
• Tighten fuel hose clamps to the specified torque.
• Do not depress accelerator pedal when starting.
• Immediately after starting, do not rev up engine unnecessar-
ily.
• Do not rev up engine just prior to shutdown.
• When installing C.B. ham radio or a mobile phone, be sure to
observe the following as it may adversely affect electronic
control systems depending on installation location.
- Keep the antenna as far as possible from the electronic con-
trol units.
- Keep the antenna feeder line more than 20 cm (8 in) away
from the harness of electronic controls.
Do not let them run parallel for a long distance.
- Adjust the antenna and feeder line so that the standing-wave
ratio can be kept smaller.
- Be sure to ground the radio to vehicle body.
SEF348N
SEF709Y
SEF708Y
ECM-12
< PREPARATION >
[MR20DD]
PREPARATION
PREPARATION
PREPARATION
Special Service Tools
INFOID:0000000010702782
NOTE:
The actual shapes of the tools may differ from those illustrated here.
Commercial Service Tools
INFOID:0000000010702783
Tool number
(SPX-North America
No.)
Tool name
Description
KV10120000
Fuel tube adapter
Measures fuel pressure
JSBIA0410ZZ
Tool name
(SPX-North America
No.)
Description
Fuel pressure gauge
Measuring fuel pressure
Fuel filler cap adapter
i.e.: (MLR-8382)
Checks fuel tank vacuum relief valve opening
pressure
Socket wrench
Removes and installs engine coolant temperature
sensor
ZZA0061D
S-NT815
S-NT705
PREPARATION
ECM-13
< PREPARATION >
[MR20DD]
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Oxygen sensor thread
cleaner
i.e.: (J-43897-18)
(J-43897-12)
Reconditions the exhaust system threads before
installing a new oxygen sensor. Use with anti-
seize lubricant shown below.
a: 18 mm diameter with pitch 1.5 mm for Zirco-
nia Oxygen Sensor
b: 12 mm diameter with pitch 1.25 mm for Tita-
nia Oxygen Sensor
Anti-seize lubricant
i.e.: (Permatex
TM
133AR or equivalent
meeting MIL specifica-
tion MIL-A-907)
Lubricates oxygen sensor thread cleaning tool
when reconditioning exhaust system threads.
Tool name
(SPX-North America
No.)
Description
AEM488
S-NT779
ECM-14
< SYSTEM DESCRIPTION >
[MR20DD]
COMPONENT PARTS
SYSTEM DESCRIPTION
COMPONENT PARTS
ENGINE CONTROL SYSTEM
ENGINE CONTROL SYSTEM : Component Parts Location
INFOID:0000000010702784
NOTE:
This figure shows RHD models. LHD models are mirror image of this figure.
ENGINE ROOM COMPARTMENT
ENIGNE COMPARTMENT
No.
Component
Function
1.
IPDM E/R
IPDM E/R control the internal relays and the actuators. And
when CAN communication with ECM is impossible, IPDM E/
R performs fail-safe control.
•
PCS-7, "RELAY CONTROL SYSTEM : System Descrip-
tion"
•
PCS-8, "RELAY CONTROL SYSTEM : Fail-safe"
•
PCS-11, "POWER CONTROL SYSTEM : System Descrip-
tion"
2.
Mass air flow sensor
(with intake air temperature sensor)
ECM-21, "Mass Air Flow Sensor (With Intake Air Tempera-
ture Sensor)"
3.
Electric throttle control actuator
(with built in throttle position sensor and throttle control mo-
tor)
ECM-18, "Electric Throttle Control Actuator"
4.
EVAP canister purge volume control solenoid valve
ECM-27, "EVAP Canister Purge Volume Control Solenoid
Valve"
5.
Intake manifold runner control valve
ECM-24, "Intake Manifold Runner Control Valve"
6.
ECM
7.
Barometric pressure sensor
ECM-25, "Barometric Pressure Sensor"
JSBIA4530ZZ
COMPONENT PARTS
ECM-15
< SYSTEM DESCRIPTION >
[MR20DD]
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JSBIA4503ZZ
Cylinder block left side
(Vehicle front side)
Cylinder head front side
(Vehicle right side)
: Vehicle front
No.
Component
Function
1.
Ignition coil
ECM-19, "Ignition Coil With Power Transistor"
2.
PCV valve
ECM-29, "Positive Crankcase Ventilation"
3.
Engine oil pressure sensor
ECM-26, "Engine Oil Pressure Sensor"
4.
Engine oil temperature sensor
ECM-26, "Engine Oil Temperature Sensor"
5.
Camshaft position sensor
ECM-23, "Camshaft Position Sensor"
6.
Engine coolant temperature sensor
ECM-22, "Engine Coolant Temperature Sensor"
7.
Exhaust valve timing control position sensor
ECM-23, "Exhaust Valve Timing Control Position Sensor"
8.
High pressure fuel pump
ECM-20, "High Pressure Fuel Pump"
9.
Fuel injector
ECM-16
< SYSTEM DESCRIPTION >
[MR20DD]
COMPONENT PARTS
EXHAUST COMPARTMENT
BODY COMPARTMENT
10.
Fuel rail pressure sensor
ECM-21, "Fuel Rail Pressure Sensor"
11.
Knock sensor
12.
Crankshaft position sensor
ECM-23, "Crankshaft Position Sensor"
13.
Exhaust valve timing control solenoid valve
ECM-24, "Exhaust Valve Timing Control Solenoid Valve"
14.
Intake valve timing control solenoid valve
ECM-23, "Intake Valve Timing Control Solenoid Valve"
No.
Component
Function
No.
Component
Function
1.
Air fuel ratio (A/F) sensor 1
ECM-24, "Air Fuel Ratio (A/F) Sensor 1"
2.
Heated oxygen sensor 2
ECM-25, "Heated Oxygen Sensor 2"
JSBIA4504ZZ
COMPONENT PARTS
ECM-17
< SYSTEM DESCRIPTION >
[MR20DD]
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Radiator assembly
Front right side of engine room area
Periphery of pedals
Vehicle front
No.
Component
Function
1.
Refrigerant pressure sensor
ECM-27, "Refrigerant Pressure Sensor"
2.
Fuel pump
ECM-21, "Low Pressure Fuel Pump"
3.
ASCD steering switch
ECM-28, "ASCD Steering Switch"
4.
Combination meter
MIL
ECM-62, "DIAGNOSIS DESCRIPTION : Malfunction Indica-
tor Lamp (MIL)"
5.
Cooling fan register
ECM-26, "Cooling Fan Resistor"
6.
Cooling fan motor
7.
EVAP canister
ECM-27, "EVAP Canister Purge Volume Control Solenoid
Valve"
8.
Clutch interlock switch (M/T models)
ECM-27, "Clutch Interlock Switch"
9.
Clutch pedal position switch (M/T models)
ECM-27, "Clutch Pedal Position Switch"
10.
Accelerator pedal position sensor
ECM-18, "Accelerator Pedal Position Sensor"
11.
Stop lamp switch
ECM-27, "Stop Lamp Switch and Brake pedal position
switch"
12.
Brake pedal position switch
JSBIA5103ZZ
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