Nissan Quest E52. Manual - part 319
DEF-30
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER FEEDBACK SIGNAL
REAR WINDOW DEFOGGER FEEDBACK SIGNAL
WITH AUTO A/C
WITH AUTO A/C : Component Function Check
INFOID:0000000009650835
1.
CHECK REAR WINDOW DEFOGGER FEEDBACK SIGNAL
Check that the indicator lamp of rear window defogger switch is illuminated when turning the rear window
defogger switch ON.
Is the inspection result normal?
YES
>> Rear window defogger feedback signal is OK.
NO
>> Refer to
DEF-30, "WITH AUTO A/C : Diagnosis Procedure"
WITH AUTO A/C : Diagnosis Procedure
INFOID:0000000009650836
1.
CHECK FUSE
1.
Turn ignition switch OFF.
2.
Check 10A fuse [No.13, located in fuse block (J/B)]
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
2.
CHECK REAR WINDOW DEFOGGER FEEDBACK SIGNAL
1.
Disconnect A/C auto amp. connector.
2.
Turn ignition switch ON.
3.
Check voltage between A/C auto amp. harness connector and ground.
Is the inspection result normal?
YES
>> Replace A/C auto amp.
NO
>> GO TO 3.
3.
CHECK REAR WINDOW DEFOGGER CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect fuse block (J/B) connector.
3.
Check continuity between fuse block (J/B) harness connector and A/C auto amp. harness connector.
4.
Check continuity between fuse block (J/B) and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK FUSE BLOCK (J/B)
(+)
(-)
Condition
Voltage (V)
(Approx.)
A/C auto amp.
Connector
Terminal
M50
7
Ground
Rear window defogger
switch
ON
Battery voltage
OFF
0
Fuse block (J/B)
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M3
9C
M50
7
Existed
Fuse block (J/B)
Ground
Continuity
Connector
Terminal
M3
9C
Not existed