Nissan Titan. Instruction — part 176
EC-5
C
D
E
F
G
H
I
J
K
L
M
EC
A
N
O
P
Component Description . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0500 VSS . . . . . . . . . . . . . ...
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0506 ISC SYSTEM . . . . . . . . . . .
Description . . . . . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0507 ISC SYSTEM . . . . . . . . . . .
Description . . . . . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P050A, P050B, P050E COLD START CON-
TROL . . . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0550 PSP SENSOR . . . . . . . . . ...
Component Description . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0603 ECM . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0604 ECM . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0605 ECM . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0606 ECM . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0607 ECM . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P060A ECM . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P060B ECM . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0643 SENSOR POWER SUPPLY . . . .
On Board Diagnosis Logic . . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0850 PNP SWITCH . . . . . . . . . ...
Component Description . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Overall Function Check . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P1140, P1145 IVT CONTROL POSITION
SENSOR . . . . . . . . . . . . . . ..
Component Description . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P1148, P1168 CLOSED LOOP CONTROL .
On Board Diagnosis Logic . . . . . . . . . .
P1211 TCS CONTROL UNIT . . . . . . ..
Description . . . . . . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P1212 TCS COMMUNICATION LINE . . . .
Description . . . . . . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P1217 ENGINE OVER TEMPERATURE . .
On Board Diagnosis Logic . . . . . . . . . .
Overall Function Check . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Main 13 Causes of Overheating . . . . . . .
P1220 FUEL PUMP CONTROL MODULE
(FPCM) . . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P1225 TP SENSOR . . . . . . . . . . .
Component Description . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P1226 TP SENSOR . . . . . . . . . . .
Component Description . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
EC-6
P1550 BATTERY CURRENT SENSOR . . ..
Component Description . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P1551, P1552 BATTERY CURRENT SEN-
SOR . . . . . . . . . . . . . . . . ..
Component Description . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P1553 BATTERY CURRENT SENSOR . . ..
Component Description . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P1554 BATTERY CURRENT SENSOR . . ..
Component Description . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . . .
Overall Function Check . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P1564 ASCD STEERING SWITCH . . . . .
Component Description . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P1572 ASCD BRAKE SWITCH . . . . . ...
Component Description . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P1574 ASCD VEHICLE SPEED SENSOR . ..
Component Description . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P1805 BRAKE SWITCH . . . . . . . . ..
Description . . . . . . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P2096, P2097, P2098, P2099 A/F SENSOR 1 .
Component Description . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P2100, P2103 THROTTLE CONTROL MO-
TOR RELAY . . . . . . . . . . . . . .
Component Description . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P2101 ELECTRIC THROTTLE CONTROL
FUNCTION . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P2118 THROTTLE CONTROL MOTOR . . ..
Component Description . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P2119 ELECTRIC THROTTLE CONTROL
ACTUATOR . . . . . . . . . . . . . ..
Component Description . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P2122, P2123 APP SENSOR . . . . . . ...
Component Description . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P2127, P2128 APP SENSOR . . . . . . ...
Component Description . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P2135 TP SENSOR . . . . . . . . . . ..
Component Description . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P2138 APP SENSOR . . . . . . . . . ...
Component Description . . . . . . . . . .
On Board Diagnosis Logic . . . . . . . . .
DTC Confirmation Procedure . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
ASCD BRAKE SWITCH . . . . . . . . ...
Component Description . . . . . . . . . .
EC-7
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D
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F
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EC
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Component Inspection . . . . . . . . . . ..
ASCD INDICATOR . . . . . . . . . . ...
Component Description . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
ELECTRICAL LOAD SIGNAL . . . . . . .
Description . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
FUEL INJECTOR . . . . . . . . . . . .
Component Description . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
FUEL PUMP . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
IGNITION SIGNAL . . . . . . . . . . ...
Component Description . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
ON BOARD REFUELING VAPOR RECOV-
ERY (ORVR) . . . . . . . . . . . . . .
System Description . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
POSITIVE CRANKCASE VENTILATION . .
Description . . . . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
REFRIGERANT PRESSURE SENSOR . . ...
Component Description . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
SYMPTOM DIAGNOSIS . . . . . . .
ENGINE CONTROL SYSTEM SYMPTOMS .
Symptom Matrix Chart . . . . . . . . . . ...
NORMAL OPERATING CONDITION . . . .
Fuel Cut Control (at No Load and High Engine
Speed) . . . . . . . . . . . . . . . . ...
PERIODIC MAINTENANCE . . . . . ..
FUEL PRESSURE . . . . . . . . . . ...
Fuel Pressure Check . . . . . . . . . . . .
EVAP LEAK CHECK . . . . . . . . . ..
How to Detect Fuel Vapor Leakage . . . . . ...
REMOVAL AND INSTALLATION . . . .
INTAKE VALVE TIMING CONTROL . . . ..
Intake Valve Timing Control Solenoid Valve (LH) ..
Intake Valve Timing Control Solenoid Valve (RH) ..
Intake Valve Timing Control Position Sensor (LH) ..
Intake Valve Timing Control Position Sensor (RH) ..
Camshaft Position Sensor (PHASE) . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . ..
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . ...
Fuel Pressure . . . . . . . . . . . . . .
Idle Speed and Ignition Timing . . . . . . . ..
Calculated Load Value . . . . . . . . . . ..
Mass Air Flow Sensor . . . . . . . . . . .
Intake Air Temperature Sensor . . . . . . . .
Engine Coolant Temperature Sensor . . . . .
A/F Sensor 1 Heater . . . . . . . . . . . ..
Heated Oxygen sensor 2 Heater . . . . . . ...
Crankshaft Position Sensor (POS) . . . . . .
Camshaft Position Sensor (PHASE) . . . . . .
Throttle Control Motor . . . . . . . . . . .
Fuel Injector . . . . . . . . . . . . . . ...
EC-8
< PRECAUTION >
[VK56DE]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009886484
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SRS AIR BAG” and “SEAT BELT” of this
Instruction.
WARNING:
Always observe the following items for preventing accidental activation.
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision that would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see “SRS AIR BAG”.
• Never use electrical test equipment on any circuit related to the SRS unless instructed to in this Ser-
vice Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
Always observe the following items for preventing accidental activation.
• When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the
ignition ON or engine running, never use air or electric power tools or strike near the sensor(s) with
a hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
On Board Diagnosis (OBD) System of Engine and A/T
INFOID:0000000009886485
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.
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