B2040

DTC Troubleshooting: B2040

DTC B2040:

Left Power Slide Motor Malfunction

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. Turn the ignition switch to LOCK (0), and then back to ON (II).

2. Turn the power sliding door main switch ON.

3. Operate the open side of the left power sliding door switch four or more times.

4. Clear the DTCs with the HDS.

5. Check for DTCs with the HDS.

Is DTC B2040 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 slide motor connector.�

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

7. Check the No. 2 fuse in the auxiliary under-hood fuse box.

8. Remove the left power sliding door control unit Power Sliding Door Control Unit Input Test. After removal, connect the connectors to the control unit.

9. Measure the voltage between left power sliding door control unit connector C (5P) terminal No. 1 and body ground while using the power sliding door switch to open or close the door.





Is there less than 0.2 V?

YES -

Go to step 10.

NO -

Repair an open or increased resistance in the wire between power sliding door control unit connector C (5P) terminal No. 1 and body ground. If the wire is OK, check G603 and terminal No. 1 of connector C.�

10. Measure the voltage between left power sliding door control unit connector C (5P) terminal No. 2 and connector A (22P) terminal No. 11 while using the power sliding door switch to open or close the door.





Is there less than 0.2 V?

YES -

Replace the left power sliding door control unit.�

NO -

Repair an open or high resistance in the wire between the No. 2 fuse in the auxiliary under-hood fuse box and the power sliding door control unit. If the wire is OK, check terminal No. 2 of connector C.�