Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK SUNLOAD SENSOR POWER SUPPLY
- Disconnect sunload sensor connector.
- Turn ignition switch ON.
- Check voltage between sunload sensor harness connector and ground.
(+)
(-)
Voltage
(Approx.)
Sunload sensor
Connector
Terminal
M135
1
Ground
5 V
Is the inspection result normal?
YES
GO TO 2 .
NO
GO TO 4 .
- CHECK CONTINUITY BETWEEN SUNLOAD SENSOR AND A/C AUTO AMP.
- Turn ignition switch OFF.
- Disconnect A/C auto amp. connector.
- Check continuity between sunload sensor harness connector and A/C auto amp. harness connector.
Sunload sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M135
2
M137
26
Yes
Is the inspection result normal?
YES
GO TO 3 .
NO
Repair harness or connector.
- CHECK SUNLOAD SENSOR
- Reconnect sunload sensor connector and A/C auto amp. connector.
- Check sunload sensor. Refer to Component Inspection .
Is the inspection result normal?
YES
Replace A/C auto amp. Refer to Removal and Installation .
NO
Replace sunload sensor. Refer to Removal and Installation .
- CHECK CONTINUITY BETWEEN SUNLOAD SENSOR AND A/C AUTO AMP.
- Turn ignition switch OFF.
- Disconnect A/C auto amp. connector.
- Check continuity between sunload sensor harness connector and A/C auto amp. harness connector.
Sunload sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M135
1
M137
9
Yes
- Check continuity between sunload sensor harness connector and ground.
Sunload sensor
(-)
Continuity
Connector
Terminal
M135
1
Ground
No
Is the inspection result normal?
YES
Replace A/C auto amp. Refer to Removal and Installation .
NO
Repair harness or connector.