59-1

VTM-4 DTC Troubleshooting: 59-1

DTC 59-1:

Right/Left Clutch Electromagnetic Coil Power Supply Voltage High

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

1. Turn the ignition switch to ON (II).

2. Make sure the HDS communicates with the vehicle and the VTM-4 control unit. If it doesn't, troubleshoot the DLC circuit Testing and Inspection.

3. Clear the DTC with the HDS.

4. Test-drive the vehicle.

5. Check for DTCs with the HDS.

Is DTC 59-1 indicated?

YES -

Go to step 6.

NO -

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

6. Turn the ignition switch to LOCK (0).

7. Test the battery Testing and Inspection. Charge or replace the battery if necessary.

8. Turn the ignition switch to ON (II).

9. Check the charging system indicator.

Does the charging system indicator come on, and after the engine starts, does the indicator go off?

YES -

Check for poor connections or loose terminals at the VTM-4 control unit connectors. If the connections are OK, substitute a known-good VTM-4 control unit Service and Repair, and recheck. If the symptom/indication goes away with the known-good VTM-4 control unit, replace the original VTM-4 control unit Service and Repair.�

NO -

Do the charging system troubleshooting Charging System Indicator Circuit Troubleshooting.�