DTC 11-01

DTC 11-01: Low/High IG1-terminal Voltage (Initial diagnosis)
1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF.
3. Start the engine.
4. Wait at least 60 seconds.
Does the EPS indicator come on?
YES - Go to step 5.
NO - Check for loose wires or poor connections. If the connections are good, the system is OK at this time.

5. Turn the ignition switch OFF.
6. Disconnect the EPS control connector D (28P).
7. Turn the ignition switch ON (II).
8. Wait at least 60 seconds, measure the voltage between EPS control unit connector D (28P) terminal No. 16 and body ground.





Is the voltage between 9.63 - 16.6 V?
YES - Replace the EPS control unit.
NO - Check for a poor connection at the battery terminals or battery. If the connections are good, go to the Alternator and Regulator Circuit Troubleshooting.