Nissan Teana J32. Instruction — part 376
EC-42
< FUNCTION DIAGNOSIS >
[VQ25DE, VQ35DE]
ELECTRIC IGNITION SYSTEM
1.
Electronic controlled engine mount
control solenoid valve
2.
VIAS control solenoid valve
3.
EVAP canister purge volume control
solenoid valve
1.
Intake valve timing control solenoid
valve (bank 1)
2.
Intake valve timing control solenoid
valve (bank 2)
3.
Data link connector
1.
Stop lamp switch
2.
ASCD brake switch
3.
Accelerator pedal position sensor
1.
ASCD steering switch
2.
CANCEL switch
3.
RESUME/ACCELERATE switch
4.
SET/COAST switch
5.
MAIN switch
JMBIA1382GB
JMBIA1383ZZ
JMBIA1384ZZ
JMBIA1120ZZ
ELECTRIC IGNITION SYSTEM
EC-43
< FUNCTION DIAGNOSIS >
[VQ25DE, VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Component Description
INFOID:0000000003856472
1.
Fuel level sensor unit and fuel pump
harness connector
2.
Fuel pressure regulator
3.
Fuel level sensor unit and fuel pump
: Vehicle front
JMBIA1385ZZ
Component
Reference
Accelerator pedal position sensor
Camshaft position sensor (PHASE)
Crankshaft position sensor (POS)
Engine coolant temperature sensor
Ignition signal
Knock sensor
Mass air flow sensor
Park/neutral position switch
Throttle position sensor
EC-44
< FUNCTION DIAGNOSIS >
[VQ25DE, VQ35DE]
AIR CONDITIONING CUT CONTROL
AIR CONDITIONING CUT CONTROL
System Diagram
INFOID:0000000003856473
System Description
INFOID:0000000003856474
INPUT/OUTPUT SIGNAL CHART
*1: This signal is sent to the ECM through CAN communication line.
*2: ECM determines the start signal status by the signals of engine speed and battery voltage.
SYSTEM DESCRIPTION
This system improves engine operation when the air conditioner is used.
Under the following conditions, the air conditioner is turned OFF.
• When the accelerator pedal is fully depressed.
• When cranking the engine.
• At high engine speeds.
• When the engine coolant temperature becomes excessively high.
• When operating power steering during low engine speed or low vehicle speed.
• When engine speed is excessively low.
• When refrigerant pressure is excessively low or high.
JMBIA1414GB
Sensor
Input Signal to ECM
ECM function
Actuator
BCM
Air conditioner ON signal*
1
Air conditioner
cut control
Air conditioner relay
Accelerator pedal position sensor
Accelerator pedal position
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)
Engine speed*
2
Engine coolant temperature sensor
Engine coolant temperature
Battery
Battery voltage*
2
Refrigerant pressure sensor
Refrigerant pressure
Power steering pressure sensor
Power steering operation
ABS actuator and electric unit (control unit)
Vehicle speed*
1
AIR CONDITIONING CUT CONTROL
EC-45
< FUNCTION DIAGNOSIS >
[VQ25DE, VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Component Parts Location
INFOID:0000000003857773
1.
Intake valve timing control solenoid
valve (bank 1)
2.
Intake valve timing control solenoid
valve (bank 2)
3.
Electronic controlled engine mount
control solenoid valve
4.
Fuel injector (bank 2)
5.
Cooling fan motor-2
6.
A/F sensor 1 (bank 2)
7.
Ignition coil (with power transistor)
and spark plug (bank 2)
8.
Camshaft position sensor (PHASE)
(bank 2)
9.
Crankshaft position sensor (POS)
10. Engine coolant temperature sensor
11.
Cooling fan motor-1
12. ECM
13. Refrigerant pressure sensor
14. Battery current sensor
15. IPDM E/R
16. Mass air flow sensor (with intake air
temperature sensor)
17. Electric throttle control actuator
18. Power valve actuator 2 (VQ35DE
models)
19. EVAP canister purge volume control
solenoid valve
20. Camshaft position sensor (PHASE)
(bank 1)
21. Ignition coil (with power transistor)
and spark plug (bank 1)
22. A/F sensor 1 (bank 1)
23. Fuel injector (bank 1)
24. VIAS control solenoid valve 1 and 2
(VQ35DE models)
25. Power valve actuator 1
JMBIA1373ZZ
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