57-1

SH AWD DTC Troubleshooting: 57-1, 57-3

DTC 57-1, 57-3:

Right Clutch Electromagnetic Coil (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. Do the clutch function test with the HDS Component Tests and General Diagnostics.

4. Check for DTCs with the HDS.

Is DTC 57-1 or 57-3 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) and the right solenoid 4P connector.

7. Connect right solenoid 4P connector terminal No. 1 to body ground with a jumper wire.






8. Check for continuity between SH-AWD control unit connector terminal B7 and body ground.





Is there continuity?

YES -

Go to step 9.

NO -

Repair an open in the wire between SH-AWD control unit connector terminal B7 and the right solenoid 4P connector.

9. Remove the jumper wire from right solenoid 4P connector terminal No. 1.

10. Connect right solenoid 4P connector terminal No. 2 to body ground with a jumper wire.






11. Check for continuity between SH-AWD control unit connector terminal B6 and body ground.





Is there continuity?

YES -

Go to step 12.

NO -

Repair an open in the wire between SH-AWD control unit connector terminal B6 and the right solenoid 4P connector.

12. Remove the jumper wire from right solenoid 4P connector terminal No. 2.

13. Reconnect all connectors.

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

15. Check the REAR DIFFERENTIAL FLUID TEMPERATURE SENSOR in the SH-AWD mode menu DATA LIST. The temperature should be above 68 °F(20 °C) with the HDS before proceeding to the next step. If the temperature is below 68 °F (20 °C), drive the vehicle to warm up the rear differential until the fluid temperature becomes above 68 °F (20 °C).

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

17. Disconnect the right solenoid 4P connector.

18. Measure the resistance between right solenoid 4P connector terminals No. 1 and No. 2.





Is there 1.8 Ohms or more?

YES -

Replace the rear differential right side case Rear Differential Side Case Replacement.

NO -

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.