Infiniti I35 (A33). Manual — part 172
MEC631E
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ENGINE AND EMISSION CONTROL OVERALL SYSTEM
Circuit Diagram (Cont’d)
EC-29
System Diagram
NHEC0011
SEC389D
ENGINE AND EMISSION CONTROL OVERALL SYSTEM
System Diagram
EC-30
Vacuum Hose Drawing
NHEC1420
Refer to “System Diagram”, EC-30 for Vacuum control system.
SEC895CA
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ENGINE AND EMISSION CONTROL OVERALL SYSTEM
Vacuum Hose Drawing
EC-31
System Chart
NHEC0013
Input (Sensor)
ECM Function
Output (Actuator)
I
Camshaft position sensor (PHASE)
I
Mass air flow sensor
I
Engine coolant temperature sensor
I
Heated oxygen sensor 1
I
Ignition switch
I
Throttle position sensor
I
Accelerator pedal position sensor
I
Park/neutral position (PNP) switch
I
Air conditioner switch
I
Knock sensor
I
Intake air temperature sensor
I
Absolute pressure sensor
I
EVAP control system pressure sensor*1
I
Battery voltage
I
Power steering pressure sensor
I
Vehicle speed (From combination meter)
I
Fuel tank temperature sensor*1
I
Crankshaft position sensor (POS)
I
Heated oxygen sensor 2*2
I
TCM (Transmission control module)*3
I
Refrigerant pressure sensor
I
Electrical load
I
Fuel level sensor*1
I
ASCD steering switch
I
ASCD brake switch
I
Stop lamp switch
Fuel injection & mixture ratio control
Injectors
Electronic ignition system
Power transistor
Fuel pump control
Fuel pump relay
On board diagnostic system
MIL (On the instrument panel)
ASCD vehicle speed control
Electric throttle control actuator
Cooling fan control
Cooling fan relays
Power valve control
VIAS control solenoid valve
Heated oxygen sensor 1 heater control
Heated oxygen sensor 1 heater
Heated oxygen sensor 2 heater control
Heated oxygen sensor 2 heater
EVAP canister purge flow control
EVAP canister purge volume con-
trol solenoid valve
Air conditioning cut control
Air conditioner relay
ON BOARD DIAGNOSIS for EVAP system
I
EVAP canister vent control valve
I
Vacuum cut valve bypass valve
*1: This sensor is not used to control the engine system. This is used only for the on board diagnosis.
*2: This sensor is not used to control the engine system under normal conditions.
*3: The signals are sent to the ECM through CAN communication line.
ENGINE AND EMISSION CONTROL OVERALL SYSTEM
System Chart
EC-32
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