DTC 41-2

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

1. Clear the DTC with the HDS.
2. Start the engine.
3. Check for DTCs with the HDS.

Is DTC 41-2 indicated?

YES - Go to step 4.

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

4. 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 5.

5. Turn the ignition switch OFF.
6. Disconnect SH-AWD control unit connector A (26P).
7. Disconnect the VSA modulator-control unit 47P connector.
8. 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 9.

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

9. 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 VSA modulator-control unit connector.