DTC 41-2

DTC 41-2: Loss of Communication with VSA Control Unit

NOTE: Before you troubleshoot, review the general troubleshooting information.

1. Turn the ignition switch ON (II).
2. Make sure the HDS communicates with the vehicle and the SH-AWD control unit. If it doesn't, troubleshoot the DLC circuit.
3. Clear the DTC with the HDS.
4. Start the engine.
5. Check for DTCs with the HDS.

Is DTC 41-2 indicated?

YES - Go to step 6.

NO - Intermittent failure, the system is OK at this time.

6. Check for DTCs in the VSA system with the HDS.

Are any VSA System DTCs indicated?

YES - Go to the indicated DTC's troubleshooting.

NO - Go to step 7.

7. Turn the ignition switch OFF.
8. Disconnect SH-AWD control unit connector A (26P).
9. Disconnect the VSA modulator-control unit 47P connector.
10. Check for continuity between SH-AWD control unit connector terminal All and VSA modulator-control unit 47P connector terminal No. 14.





Is there continuity?

YES - Go to step 11.

NO - Repair open in the wire between SH-AWD control unit connector A and the VSA modulator-control unit connector.

11. Check for continuity between SH-AWD control unit connector terminal A10 and VSA modulator-control unit 47P connector terminal No. 30.





Is there continuity?

YES - Check for loose connector terminals at the SH-AWD control unit, the VSA modulator-control unit, and G602. If all connections are OK, replace the SH-AWD control unit.

NO - Repair open in the wire between SH-AWD control unit connector A and the VSA modulator-control unit connector.