Diagnosis Procedure
WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to WIRING DIAGRAM .
- CHECK SUNLOAD SENSOR POWER SUPPLY
- Disconnect sunload sensor connector.
- Turn ignition switch ON.
- Check voltage between sunload sensor harness connector M101 terminal 1 and ground.
+ - Voltage
(Approx.)Sunload sensor Connector Terminal M101 1 Ground 5 V
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
GO TO STEP 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 M101 terminal 2 and A/C auto amp. harness connector M50 terminal 26.
Sunload sensor A/C auto amp. Continuity Connector Terminal Connector Terminal M101 2 M50 26 Yes
Is the inspection result normal?
YES
GO TO STEP 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 M101 terminal 1 and A/C auto amp. harness connector M50 terminal 9.
Sunload sensor A/C auto amp. Continuity Connector Terminal Connector Terminal M101 1 M50 9 Yes - Check continuity between sunload sensor harness connector M101 terminal 1 and ground.
Sunload sensor - Continuity Connector Terminal M101 1 Ground No
Is the inspection result normal?
YES
Replace A/C auto amp. Refer to REMOVAL AND INSTALLATION .
NO
Repair harness or connector.