B2029
DTC B2029: Left Power Sliding Door Remote Control Switch 3 Signal ErrorNOTE: 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 to ON (II).
3. Turn the power sliding door main switch ON.
4. Check for DTCs with the HDS.
Is DTC B2029 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 left power sliding door control unit.
7. Disconnect the 4P connector from the left power sliding door remote control switch.
8. Check for continuity between the left power sliding door remote control switch 4P connector No. 1 terminal and body ground.
Is there continuity?
YES - Repair short to ground in the wire.
NO - Go to step 11.
9. Lock the child proof switch, then operate the left power sliding door inside handle to OPEN side for more than 3 seconds.
10. Check for DTCs with the HDS.
Is DTC B2029 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 left power sliding door control unit connector, and at the left power sliding door remote control switch connector.
11. Check for continuity between the left power sliding door remote control switch 4P connector No. 2 terminal and body ground.
Is there continuity?
YES - Repair short to ground in the wire.
NO - Go to step 12.
12. Check for continuity between the left power sliding door remote control switch 4P connector No. 1 and No. 2 terminals and body ground.
Is there continuity?
YES - Replace the left power sliding door remote control switch.
NO - Replace the left power sliding door control unit.