49-1

SH-AWD DTC Troubleshooting: 49-1

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

NOTE: Before you troubleshoot, review the general troubleshooting information. Initial Inspection and Diagnostic Overview

1. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

2. Clear the DTC with the HDS.

3. Start the engine.

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. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

6. Disconnect SH-AWD control unit connector B (8P).

7. Check for continuity between SH-AWD control unit connector terminal B2 and body ground.

Is there continuity?
YES - Update the SH-AWD control unit if it does not have the latest software, SH-AWD Control Unit Update or substitute a known-good SH-AWD control unit, Service and Repair 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. Service and Repair

NO - Repair open in the wire between SH-AWD control unit connector terminal B2 and body ground, or repair poor body ground at G652.