76-1

SH AWD DTC Troubleshooting: 76-1

DTC 76-1:

Rear Differential Fluid Overheats

NOTE:

- Before you troubleshoot, review the general troubleshooting information Initial Inspection and Diagnostic Overview.
- When the temperature of the rear differential fluid is abnormally high, the SH-AWD indicator comes on. This is not necessarily a problem, but DTC 76-1 will be stored.
- Check the rear differential fluid level Rear Differential Fluid Inspection And Replacement. If it is low, refill it, clear the DTC, and recheck.

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

2. 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 3.

3. Clear the DTC with the HDS.

4. Start the engine.

5. Test-drive the vehicle at 10 mph (15 km/h), and check for WHEEL SPEED in the DATA LIST with the HDS.

Are all wheel speed the same?

YES -

Intermittent failure, the system is OK at this time.�

NO -

Go to step 6.

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

7. Check for rear brake drag.

Are the rear brakes OK?

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 -

Inspect and repair the rear brakes Component Tests and General Diagnostics.