B2078

DTC Troubleshooting: B2078

DTC B2078:

Right Power Sliding Door Remote Control Switch 2 Signal Error

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. Turn the power sliding door main switch ON.

4. Check for DTCs with the HDS.

Is DTC B2078 indicated?

YES -

Go to step 5.

NO -

Go to step 9.

5. Turn the ignition switch to LOCK (0).

6. Disconnect the 22P and 12P connectors from the right power sliding door control unit.

7. Disconnect the 4P connector from the right power sliding door remote control switch Power Sliding Door Remote Control Switch Test.

8. Check for continuity between right power sliding door remote control switch 4P connector terminal No. 4 and body ground.





Is there continuity?

YES -

Repair a short to ground in the wire.�

NO -

Go to step 11.

9. Operate the right power sliding door inside handle to CLOSE side for more than 3 seconds.

10. Check for DTCs with the HDS.

Is DTC B2078 indicated?

YES -

Go to step 11.

NO -

Intermittent failure. The power sliding door system is OK at this time. Check for loose or poor connections at the right power sliding door control unit connector, and at the right power sliding door remote control switch connector.�

11. Check for continuity between right power sliding door remote control switch 4P connector terminal No. 2 and body ground.





Is there continuity?

YES -

Repair a short to ground in the wire.�

NO -

Go to step 12.

12. Check for continuity between right power sliding door remote control switch 4P connector terminals No. 2 and No. 4 and body ground individually.





Is there continuity?

YES -

Replace the right power sliding door remote control switch.�

NO -

Replace the right power sliding door control unit.�