B1842

DTC B1842: Power Tilt/Telescopic Position Sensor Power Supply Circuit (SVCC Line) Short

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.

1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0), and then back ON (II).
3. Operate the tilt/telescopic switch in each direction for more than 1 second.
4. Check for DTCs with the HDS.

Is DTC B1842 indicated?

YES - Go to step 5.

NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections.

5. Turn the ignition switch to LOCK (0).
6. Disconnect power tilt/telescopic control unit connector A (16P).
7. Disconnect the telescopic motor/position sensor 6P connector.
8. Disconnect the tilt motor/position sensor 8P connector.
9. Check for continuity between power tilt/Telescopic control unit connector A (16P) No. 2 terminal and body ground.






Is there continuity?

YES - Repair short to ground in the wire.

NO - Go to step 10.

10. At the sensor side, check for continuity between telescopic motor/position sensor 6P connector No. 3 terminal and body ground (motor body).






Is there continuity?

YES - Replace the telescopic motor/position sensor.

NO - Go to step 11.

11. At the sensor side, check for continuity between tilt motor/position sensor 8P connector No. 5 terminal and body ground (motor body).






Is there continuity?

YES - Replace the tilt motor/position sensor.

NO - Replace the power tilt/telescopic control unit.