Infiniti M35/M45 Y50. Manual - part 136
TROUBLE DIAGNOSIS
ATC-95
C
D
E
F
G
H
I
K
L
M
A
B
ATC
1.
CHECK AMBIENT SENSOR AND INTAKE SENSOR CIRCUIT
Check ambient sensor and intake sensor. Refer to
ATC-57, "FUNCTION CONFIRMATION PROCEDURE"
see No. 9 and 11.
OK or NG
OK
>> GO TO 2.
NG
>>
●
Malfunctioning ambient sensor: Refer to
ATC-112, "Ambient Sensor Circuit"
●
Malfunctioning intake sensor: Refer to
ATC-121, "Intake Sensor Circuit"
2.
PERFORM AUTO ACTIVE TEST
Refer to
Does the magnet clutch operate?
YES
>>
●
WITH CONSULT-II: GO TO 5.
●
WITHOUT CONSULT-II: GO TO 6.
NO
>> Check 10A fuse (No. 79, located in IPDM E/R). Refer to
PG-28, "IPDM E/R Terminal Arrange-
3.
CHECK CIRCUIT CONTINUITY BETWEEN IPDM E/R AND COMPRESSOR
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector and compressor connector.
3.
Check continuity between IPDM E/R harness connector E8 ter-
minal 34 and compressor harness connector F24 terminal 1.
OK or NG
OK
>> GO TO 4.
NG
>> Repair harness or connector.
4.
CHECK MAGNET CLUTCH CIRCUIT
Check for operation sound when applying battery voltage direct cur-
rent to terminal.
OK or NG
OK
>> 1. Replace IPDM E/R.
2. Go to self-diagnosis procedure
and perform self-
diagnosis STEP-4. Confirm that magnet clutch opera-
tion normal.
NG
>> 1. Replace compressor.
2. Go to self-diagnosis procedure
and perform self-
diagnosis STEP-4. Confirm that magnet clutch operation normal.
34 – 1
: Continuity should exist.
RJIA4079E
RJIA2005E