2003 NISSAN X-TRAIL Service Repair Manual

Page 3481 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual TROUBLE DIAGNOSIS
ATC-85
C
D
E
F
G
H
I
K
L
MA
B
AT C
 
1. CHECK POWER SUPPLY FOR BLOWER MOTOR
1. Disconnect blower motor connector.
2. Turn ignition switch ON.
3. Check voltage between blower motor ha

Page 3482 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual ATC-86
TROUBLE DIAGNOSIS
 
5. CHECK GROUND CIRCUIT FOR FAN CONTROL AMP.
1. Turn ignition switch OFF.
2. Disconnect fan control amp. connector.
3. Check continuity between fan control amp. harness conn

Page 3483 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual TROUBLE DIAGNOSIS
ATC-87
C
D
E
F
G
H
I
K
L
MA
B
AT C
 
8. CHECK FAN CONTROL AMP.
1. Turn ignition switch OFF.
2. Disconnect fan control amp. connector.
3. Check continuity between fan control amp. con

Page 3484 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual ATC-88
TROUBLE DIAGNOSIS
 
Magnet Clutch CircuitEJS004YO
SYMPTOM: Magnet clutch does not engage.
INSPECTION FLOW
*1AT C - 6 5 ,  "Operational Check".*2ATC-59, "FUNCTION CONFIRMA-
TION PROCEDURE", see

Page 3485 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual TROUBLE DIAGNOSIS
ATC-89
C
D
E
F
G
H
I
K
L
MA
B
AT C
 
SYSTEM DESCRIPTION
Auto amp. controls compressor operation by ambient temperature, intake air temperature (with diesel engine)
and signal from EC

Page 3486 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual ATC-90
TROUBLE DIAGNOSIS
 
1. CHECK POWER SUPPLY FOR COMPRESSOR
1. Disconnect compressor connector.
2. Start the engine.
3. Turn fan control dial to AUTO position.
4. Press A/C switch.
5. Check voltag

Page 3487 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual TROUBLE DIAGNOSIS
ATC-91
C
D
E
F
G
H
I
K
L
MA
B
AT C
 
4. CHECK POWER SUPPLY FOR A/C RELAY
1. Turn ignition switch ON.
2. Check voltage between A/C relay harness connector E5 termi-
nal 1 (BR/Y), 3 (B

Page 3488 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual ATC-92
TROUBLE DIAGNOSIS
 
9. CHECK VOLTAGE FOR AUTO AMP. (COMPRESSOR ON SIGNAL)
1. Turn ignition switch ON.
2. Check voltage between auto amp. harness connector M52 ter-
minal 4 (L/R) and ground.
OK