Nissan GT-R (R35) · Service Manual
VENTILATION, HEATER & AIR CONDITIONER
VENTILATION, HEATER & AIR CONDITIONER › HEATER & AIR CONDITIONING CONTROL SYSTEM › COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
AUTOMATIC AIR CONDITIONER
1.CHECK FUSE
Check 10A fuses [Nos. 3, 6 and 19, located in the fuse block (J/B)].
NOTE：
Refer to
Fuse, Connector and Terminal Arrangement
.
Is the inspection result normal?
YES
>>
GO TO 2
.
NO
>>
Replace the fuse after repairing the applicable circuit.
2.CHECK A/C AUTO AMP. POWER SUPPLY CIRCUIT
Disconnect the A/C auto amp. connector.
Check voltage between A/C auto amp. harness connector and ground.
(+)
(−)
Voltage
(Approx.)
A/C auto amp.
—
Ignition switch position
Connector
Terminal
OFF
ACC
ON
M66
17
Ground
0 V
Battery voltage
Battery voltage
20
0 V
0 V
Battery voltage
40
Battery voltage
Battery voltage
Battery voltage
Is the inspection result normal?
YES
>>
Repair the harnesses or connectors.
NO
>>
GO TO 3
.
3.CHECK A/C AUTO AMP. GROUND CIRCUIT
Turn the ignition switch OFF.
Check continuity between A/C auto amp. harness connector and ground.
A/C auto amp.
—
Continuity
Connector
Terminal
M66
19
Ground
Existed
39
Is the inspection result normal?
YES
>>
INSPECTION END
NO
>>
Repair the harnesses or connectors.
1.CHECK FUSE