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), or press the engine start/stop button to select the ON mode.

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), or press the engine start/stop button to select the OFF mode.

8. Disconnect SH-AWD control unit connector A (20P) and the rear differential fluid temperature sensor 2P connector.

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

Is there continuity?
YES - Repair short in the wires between rear differential fluid temperature sensor 2P connector terminals No. 1 and No. 2.

NO - Go to step 10.






10. Reconnect all connectors.

11. 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

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

13. 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