49-1

DTC 49-1: SH-AWD Control Unit (PG Line Open)

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

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

Is DTC 49-1 indicated?

YES - Go to step 5.

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

5. Measure voltage between SH-AWD control unit connector terminal B2 and body ground.





Is there less than 0.5 V?

YES - Update the SH-AWD control unit if it does not have the latest software, or substitute a known-good SH-AWD control unit and recheck. If the symptom/indication goes away with the updated SH-AWD control unit, troubleshooting is complete. If the symptom/indication goes away with a known-good SH-AWD control unit, replace the original SH-AWD control unit.

NO - Repair open in the wire between SH-AWD control unit connector B and body ground or poor ground (G603).