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.�