43-1

SH AWD DTC Troubleshooting: 43-1

DTC 43-1:

Differential Fluid Temperature Sensor Malfunction

NOTE: Before you troubleshoot, review the general troubleshooting information Initial Inspection and Diagnostic Overview.

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

2. Check for DTCs with the HDS.

Is DTC 42-1 or 42-2 indicated?

YES -

Go to the indicated DTC's troubleshooting.�

NO -

Go to step 3.

3. Clear the DTC with the HDS.

4. Start the engine, and let it idle for 1 minute.

5. Test-drive the vehicle for 5 minutes.

6. Check for DTCs with the HDS.

Is DTC 43-1 indicated?

YES -

Go to step 7.

NO -

Intermittent failure, the system is OK at this time.�

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

8. Disconnect SH-AWD control unit connector A (20P).

9. Disconnect the rear differential fluid temperature sensor 2P connector.

10. Check for continuity between rear differential fluid temperature sensor 2P connector terminals No. 1 and No. 2.





Is there continuity?

YES -

Repair a short in the wires between rear differential fluid temperature sensor 2P connector terminals No. 1 and No. 2.�

NO -

Go to step 11.

11. Reconnect all connectors.

12. Update the SH-AWD control unit if it does not have the latest software SH-AWD Control Unit Update, or substitute a known-good SH-AWD control unit Service and Repair.

13. Start the engine, and let it idle for 1 minute.

14. Check for DTCs with the HDS.

Is DTC 43-1 indicated?

YES -

Replace the rear differential fluid temperature sensor Service and Repair.�

NO -

Replace the original SH-AWD control unit Service and Repair.�