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 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 M29 3 Battery voltage
Is the measurement value normal?
YES
GO TO STEP 2 .
NO
Check harness between fuse and warning systems switch.
- CHECK WARNING SYSTEMS ON INDICATOR SIGNAL CIRCUIT FOR OPEN
- Turn the ignition switch OFF.
- Disconnect the lane camera unit harness 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 2 M29 2 Existed Does continuity exist?
YES
GO TO STEP 3 .
NO
Repair the harnesses or connectors.
- CHECK WARNING SYSTEMS ON INDICATOR SIGNAL CIRCUIT FOR SHORT
Check continuity between the lane camera unit harness connector and ground.
Lane camera unit Ground Continuity Connector Terminal R10 2 Not existed Does continuity exist?
YES
Repair the harnesses or connectors.
NO
GO TO STEP 4 .
- CHECK WARNING SYSTEMS ON INDICATOR
- Connect warning systems switch connector.
- Turn ignition switch ON.
- Apply ground to warning systems switch terminal 2.
- Check condition of the warning systems ON indicator.
Does warning systems ON indicator illuminate?
YES
Replace the lane camera unit.
NO
Replace warning systems switch.