DTC 44-12

DTC 44-12: SH-AWD Relay Stuck ON

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 44-12 indicated?

YES-Go to step 6.

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

6. Turn the ignition switch OFF.
7. Test the SH-AWD relay.

Is SH-AWD relay OK?

YES - Go to step 8.

NO - Replace the SH-AWD relay.

8. Disconnect SH-AWD control unit connector A (26P).
9. Turn the ignition switch ON (II).
10. Measure the voltage between SH-AWD control unit connector terminal A3 and body ground.





Is there battery voltage?

YES - Replace the wire harness.

NO - Go to step 11.

11. Disconnect SH-AWD control unit connector B (8P).
12. Measure the voltage between SH-AWD control unit connector terminals B1 and B2.





Is there battery voltage?

YES - Repair the wire harness.

NO - Substitute a known-good SH-AWD control unit and recheck.