Troubleshooting Hints

1. If more than one warning light fails, check power and ground wires common to all affected warning lights.
2. If all warning lights bulbs checked by the Warning Lamps Check Unit (Z161) do not light with the Ignition Switch (X134) in position II, check the B wire and WG wire at the Warning Lamps Check Unit. If all are OK, check the Warning Lamps Check Unit.
3. If a single warning light that is grounded by the Warning Lamps Check Unit (Z161) during a bulb check does not light with the Ignition Switch (X134) in position II, check the bulb, wires and components common to the affected warning light control circuit. If everything is OK, check the Warning Lamps Check Unit.
4. If none of the audible warning tones operate, check the PW and B wires at the Audible Warning Unit (Z109). If all are OK, check the Audible Warning Unit.
5. If the seat belt tone is not heard, check the WB wire, B wire and Driver Seat Buckle Switch (X120). If all are OK, check the Audible Warning Unit (Z109).
6. If the driver's door open/key-in-ignition tone is not heard, check the Driver Door Switch (X118) by opening the driver's door and seeing that the interior lights come on. If OK, check the PW wire, WP wire and the Ignition Key Switch (X177). If all are OK, check the Audible Warning Unit (Z109).
7. If the transfer box neutral tone is heard at all times, check the BK wire, B wire and Transfer Box Position Switch (X175). If all are OK, check the Audible Warning Unit (Z109).