Nissan Maxima. Instruction — part 394
EC-60
< SYSTEM DESCRIPTION >
[VQ35DE]
ELECTRIC IGNITION SYSTEM
Component Description
INFOID:0000000010094808
1.
Stop lamp switch
2.
ASCD brake switch
3.
ASCD steering switch
AWBIA0670ZZ
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
TCM
Throttle position sensor
AIR CONDITIONING CUT CONTROL
EC-61
< SYSTEM DESCRIPTION >
[VQ35DE]
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AIR CONDITIONING CUT CONTROL
System Diagram
INFOID:0000000010094809
System Description
INFOID:0000000010094810
INPUT/OUTPUT SIGNAL CHART
*1: This signal is sent to the ECM via the 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.
JMBIA1528GB
Sensor
Input Signal to ECM
ECM function
Actuator
Accelerator pedal position sensor
Accelerator pedal position
Air conditioner
cut control
IPDM E/R
↓
Air conditioner relay
↓
Compressor
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
Unified meter and A/C amp.
Air conditioner ON signal*
1
Vehicle speed*
1
EC-62
< SYSTEM DESCRIPTION >
[VQ35DE]
AIR CONDITIONING CUT CONTROL
Component Parts Location
INFOID:0000000010094811
1.
Intake valve timing control solenoid
valve (bank 1)
2.
Electronic controlled engine mount
control solenoid valve
3.
Exhaust valve timing control magnet
retarder (bank 2)
4.
Intake valve timing control solenoid
valve (bank 2)
5.
Knock sensor (bank 1 and 2)
6.
Fuel injector (bank 2)
7.
Ignition coil (with power transistor) and
spark plug (bank 2)
8.
Exhaust valve timing control position
sensor (bank 2)
9.
Crankshaft position sensor (POS)
10. Engine coolant temperature sensor
11. Camshaft position sensor (PHASE)
(bank 2)
12. Transmission range switch
13. Refrigerant pressure sensor
14. ECM
15. Battery current sensor
16. Condenser-2
17. EVAP canister purge volume control
solenoid valve
18. Mass air flow sensor (with intake air
temperature sensor)
19. Camshaft position sensor (PHASE)
(bank 1)
20. EVAP service port
21. Power valve actuator 2
22. Electric throttle control actuator
23. Exhaust valve timing control position
sensor (bank 1)
24. Ignition coil (with power transistor) and
spark plug (bank 1)
25. Fuel injector (bank 1)
26. VIAS control solenoid valve 1 and 2
27. Power valve actuator 1
28. Exhaust valve timing control magnet
retarder (bank 1)
29. Power steering pressure sensor
ALBIA0603ZZ
AIR CONDITIONING CUT CONTROL
EC-63
< SYSTEM DESCRIPTION >
[VQ35DE]
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1.
Mas air flow sensor (with intake air
temperature sensor)
2.
Air cleaner case
3.
Engine coolant temperature sensor
(view with engine cover removed)
4.
EVAP canister purge volume control
solenoid valve (view with engine cover
removed)
5.
Power valve actuator 1 (view with en-
gine cover removed)
6.
VIAS control solenoid valve 1
7.
VIAS control solenoid valve 2
8.
Power valve actuator 2
9.
Power steering pressure sensor
10. Tie rod (RH)
11. Camshaft position sensor (PHASE)
(bank 1) (view with air cleaner case re-
moved)
12. Exhaust valve timing control position
sensor (bank 1)
13. Camshaft position sensor (PHASE)
(bank 2) (view with air cleaner case re-
moved)
14. Exhaust valve timing control position
sensor (bank 2)
15. Engine oil temperature sensor
: Vehicle front
ALBIA0604ZZ
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