Diagnosis Procedure
WARNING: This page is about a different car, the 2016 Infiniti QX50. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK WARNING SYSTEMS SWITCH SIGNAL INPUT
- Turn the ignition switch ON.
- With operating the warning systems switch, check the voltage between the lane camera unit harness connector and the ground.
Terminals Condition Voltage
(Approx.)(+) (-) Lane camera unit Ground Warning systems switch Connector Terminal R10 3 Pressed 0 V Released 5 V Is the measurement value normal?
YES
Replace the lane camera unit.
NO
GO TO STEP 2 .
- CHECK WARNING SYSTEMS SWITCH
- Turn ignition switch OFF.
- Remove warning systems switch.
- Check warning systems switch. Refer to COMPONENT INSPECTION .
Is the warning systems switch normal?
YES
GO TO STEP 3 .
NO
Replace warning systems switch.
- CHECK WARNING SYSTEMS SWITCH GROUND CIRCUIT
Check continuity between warning systems switch harness connector and the ground.
Warning systems switch Ground Continuity Connector Terminal M29 6 Existed Does continuity exist?
YES
GO TO STEP 4 .
NO
Repair harness or connector.
- CHECK WARNING SYSTEMS SWITCH SIGNAL INPUT CIRCUIT FOR OPEN
- Disconnect the lane camera unit connector.
- Check continuity between the lane camera unit harness connector and warning systems switch harness connector.
Lane camera unit Warning systems switch Continuity Connector Terminal Connector Terminal R10 3 M29 7 Existed
Does continuity exist?
YES
GO TO STEP 5 .
NO
Repair the harnesses or connectors.
- CHECK WARNING SYSTEMS SWITCH SIGNAL INPUT CIRCUIT FOR SHORT
Check continuity between the lane camera unit harness connector and ground.
Lane camera unit Ground Continuity Connector Terminal R10 3 Not existed Does continuity exist?
YES
Repair the harnesses or connectors.
NO
Replace the lane camera unit.