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 WARNING ON INDICATOR POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect warning systems switch connector.
- Turn ignition switch ON.
- Check voltage between warning systems switch harness connector and ground.
Terminals Voltage
(Approx.)(+) (-) Warning systems switch Ground Connector Terminal M126 5 Battery voltage
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Repair the warning systems ON indicator power supply circuit.
- CHECK WARNING SYSTEMS ON INDICATOR SIGNAL FOR OPEN
- Turn ignition switch OFF.
- Disconnect the ADAS control unit harness connector.
- Check continuity between the ADAS control unit harness connector and warning systems switch harness connector.
ADAS control unit Warning systems switch Continuity Connector Terminal Connector Terminal B104 19 M126 3 Yes Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair the harnesses or connectors.
- CHECK WARNING SYSTEMS ON INDICATOR SIGNAL CIRCUIT FOR SHORT
Check continuity between the ADAS control unit harness connector and ground.
ADAS control unit Ground Continuity Connector Terminal B104 19 No Is the inspection result normal?
YES
GO TO STEP 4 .
NO
Repair the harnesses or connectors.
- CHECK WARNING SYSTEMS ON INDICATOR
Check the warning systems ON indicator. Refer to COMPONENT INSPECTION .
Is the inspection result normal?
YES
Replace the ADAS control unit. Refer to REMOVAL AND INSTALLATION .
NO
Replace warning systems switch. REMOVAL AND INSTALLATION .