B2038

DTC Troubleshooting: B2038

DTC B2038:

Left Power Sliding Door Base Position Switch Circuit Open/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 ON (II).

3. Turn the power sliding door main switch ON.

4. Open and close the left power sliding door three times with the left power sliding door switch.

5. Check for DTCs with the HDS.

Is DTC B2038 indicated?

YES -

Go to step 6.

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 rear latch assembly connectors.�

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

7. Disconnect the 6P connector from the left power sliding door rear latch assembly.

8. Open the left power sliding door to the half-latched position.

9. Check for continuity between left power sliding door rear latch assembly 6P connector terminals No. 5 and No. 6.





Is there continuity?

YES -

Replace the left power sliding door rear latch assembly.�

NO -

Go to step 10.

10. Disconnect left power sliding door control unit connector B (12P).

11. Check for continuity between left power sliding door control unit connector B (12P) terminal No. 5 and body ground.





Is there continuity?

YES -

Repair a short to ground in the wire.�

NO -

Go to step 12.

12. Disconnect left power sliding door control unit connector A (22P).

13. Using a jumper wire, connect left power sliding door rear latch assembly connector (6P) terminals No. 5 and No. 6.






14. Check for continuity between left power sliding door control unit connector A (22P) terminal No. 19 and left power sliding door control unit connector B (12P) terminal No. 5.





Is there continuity?

YES -

Go to step 15.

NO -

Repair an open in the BLU/YEL or YEL/BLU wire.�

15. Remove the jumper wire.

16. Reconnect all connectors to the left power sliding door control unit.

17. Turn the ignition switch to ON (II).

18. Measure the voltage between left power sliding door control unit connector A (22P) terminal No. 19 and left power sliding door control unit connector B (12P) terminal No. 5.





Is there battery voltage?

YES -

Replace the left power sliding door rear latch assembly.�

NO -

Replace the left power sliding door control unit.�