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 ADAS CONTROL UNIT POWER SUPPLY CIRCUIT
Check voltage between ADAS control unit harness connector and ground.
Terminal Condition Voltage
(Approx.)(+) (-) ADAS control unit Ground Ignition switch Connector Terminal B104 12 OFF 0 V ON Battery voltage Is the inspection result normal?
YES
GO TO STEP 2.
NO
Repair the ADAS control unit power supply circuit.
- CHECK ADAS CONTROL UNIT GROUND CIRCUIT
- Turn the ignition switch OFF.
- Disconnect the ADAS control unit connector.
- Check for continuity between ADAS control unit harness connector and ground.
ADAS control unit Ground Continuity Connector Terminal B104 5 Yes
Is the inspection result normal?
YES
Inspection End.
NO
Repair the ADAS control unit ground circuit.
Regarding Wiring Diagram information, refer to WIRING DIAGRAM .
- CHECK ADAS CONTROL UNIT POWER SUPPLY CIRCUIT
Check voltage between ADAS control unit harness connector and ground.
Terminal Condition Voltage
(Approx.)(+) (-) ADAS control unit Ground Ignition switch Connector Terminal B104 16 OFF 0 V ON Battery voltage Is the inspection result normal?
YES
GO TO STEP 2.
NO
Repair the ADAS control unit power supply circuit.
- CHECK ADAS CONTROL UNIT GROUND CIRCUIT
- Turn the ignition switch OFF.
- Disconnect the ADAS control unit connector.
- Check for continuity between ADAS control unit harness connector and ground.
ADAS control unit Ground Continuity Connector Terminal B104 6 Yes
Is the inspection result normal?
YES
INSPECTION END
NO
Repair the ADAS control unit ground circuit.