DTC 74-1

DTC 74-1: One Way Clutch Malfunction

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. Check for DTC 27-1 and DTC 27-2 with the HDS. DTC 27-1 DTC 27-2

Are DTC 27-1 and DTC 27-2 indicated at the same time?

YES - Go to the DTC 27-1 and/or 27-2 troubleshooting first, then recheck. DTC 27-1 DTC 27-2

NO - Go to step 4.

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 - Replace the rear differential center case.