B1842

DTC Troubleshooting: 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 Troubleshooting - 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 to ON (II).

3. Operate the power tilt/telescopic steering 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 steering control unit connector A (16P).

7. Disconnect the power telescopic motor/position sensor 6P connector.

8. Disconnect the power tilt motor/position sensor 8P connector.

9. Check for continuity between power tilt/telescopic steering control unit connector A (16P) terminal No. 2 and body ground.





Is there continuity?

YES -

Repair a short to ground in the wire.�

NO -

Go to step 10.

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





Is there continuity?

YES -

Replace the power telescopic motor/position sensor.�

NO -

Go to step 11.

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





Is there continuity?

YES -

Replace the power tilt motor/position sensor.�

NO -

Replace the power tilt/telescopic steering control unit.�