DTC 11-01

DTC 11-01: Low/High IG1-terminal Voltage (Initial diagnosis)
1. Clear the DTC 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 EPS control connector D (28P).
7. Turn the ignition switch ON (II).
8. Wait at least 60 seconds.
9. Measure voltage between EPS control unit connector D (28P) terminals No. 16 and body ground.





Is the voltage between 9.63 - 16.6 V?
YES - Check for loose terminals in the EPS control unit connectors, and repair if necessary. If no poor connections are found, replace the EPS control unit.
NO - Check for a poor connection at the 12 V battery. If they are good, go to the charging system indicator circuit Troubleshooting.