Description
SYSTEM DESCRIPTION
A/C auto amp. controls A/C compressor operation by ambient temperature and signal from ECM.
Low Temperature Protection Control A/C auto amp. will turn the A/C compressor ON or OFF as determined by a signal detected by ambient sensor.
When ambient temperature is greater than 4C (39F), the A/C compressor turns ON. The A/C compressor turns OFF when ambient temperature is less than 2.5C (37F).
Component Function Check
1.FUNCTION INSPECTIONS
Diagnosis Procedure
SYMPTOM: Magnet clutch does not engage when A/C switch is ON.
1.INSPECTION IN AUTO ACTIVE TEST MODE
Perform "AUTO ACTIVE TEST".
2.CHECK POWER SUPPLY FOR A/C COMPRESSOR
3.CHECK FUSE
Check 10A fuse (No. 41).
4.CHECK CIRCUIT CONTINUITY BETWEEN A/C RELAY IN IPDM E/R AND A/C COMPRESSOR
1 - 48: Continuity should exist.
5.CHECK A/C COMPRESSOR CIRCUIT FOR SHORT
Check continuity between A/C compressor harness connector F3 terminal 1 and ground.
1 - Ground: Continuity should not exist.
6.CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT
NOTE: If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010.
7.CHECK A/C AUTO AMP. INPUT SIGNAL
Using CONSULT, check "On/Off" of "COMP REQ SIG" and "FAN REQ SIG" in "DATA MONITOR" of HVAC.
A/C SWITCH ON: COMP REQ SIG On
A/C SWITCH OFF: COMP REQ SIG Off
FAN CONTROL DIAL ON: FAN REQ SIG On
FAN CONTROL DIAL OFF: FAN REQ SIG Off
8.CHECK REFRIGERANT PRESSURE SENSOR
Check refrigerant pressure sensor.
P0455 evap control system
DTC Logic
DTC DETECTION LOGIC
This diagnosis detects a very large leakage (fuel filler cap fell off etc.)
in EVAP system between the fuel tank
and EVAP canister purge volume control solenoid valve.
CAUTION:
Use only a genuine NISSAN fuel filler cap as a replacement. If
an ...
B1150 - B1153 side curtain air bag module LH
Description
DTC B1150 - B1153 LH SIDE CURTAIN AIR BAG MODULE
The LH side curtain air bag module is wired to the air bag diagnosis sensor
unit. The air bag diagnosis sensorunit will monitor for opens and shorts in
detected lines to the LH side curtain air bag module.
PART LOCATION
DTC Logic
...
P0850 PNP switch
Description
When the selector lever position is P or N, park/neutral position (PNP)
signal from the TCM is sent to ECM.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.INSPECTION START
2.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perfo ...