11-02

EPS DTC Troubleshooting: 11-01, 11-02

DTC 11-01:

Low/High IG1-Terminal Voltage

DTC 11-02:

Battery Voltage

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

4. Start the engine.

5. Wait at least 60 seconds.

6. Check for DTCs with the HDS.

Is DTC 11-01 indicated?

YES -

Go to step 7.

NO -

Check for loose terminals or poor connections. If the connections are good, the system is OK at this time.�

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

8. Disconnect EPS control unit connector D (28P).

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

10. Wait at least 60 seconds.

11. Measure the voltage between EPS control unit connector D (28P) terminal No. 16 and body ground.





Is there battery voltage?

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 Service and Repair.�

NO -

If there is no voltage, or the voltage is lower than specified, repair an open or high resistance in the wire between the No. 6 (7.5 A) fuse in the driver's under-dash fuse/relay box and EPS control unit. If the wire checks OK, check the battery Testing and Inspection, and troubleshoot the alternator regulator circuit Alternator and Regulator Circuit Troubleshooting.�