EPS indicator does not go off, and no DTCs are stored
- Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
- Check the No. 6 (7.5 A) fuse in the driver's under-dash fuse/relay box.
Is the fuse blown?
YES - Go to step 3.
NO - Reinstall the checked fuse, then go to step 7.
- Disconnect EPS control unit connector D (28P).
- Check for continuity between EPS control unit connector D (28P) terminal No. 16 and body ground.Fig 1: Checking Continuity Between EPS Control Unit Connector D (28P) Terminal No. 16 And Body Ground
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Is there continuity?
YES - Repair a short to body ground in the wire between the EPS control unit and the No. 6 (7.5 A) fuse in the driver's under-dash fuse/relay box.
NO - Install a new No. 6 (7.5 A) fuse in the driver's under-dash fuse/relay box, then go to step 5.
- Reconnect EPS control unit connector D (28P).
- Start the engine, and watch the EPS indicator.
Does the EPS indicator come on, then go off?
YES - Troubleshooting is complete. The system is OK at this time.
NO - Replace the EPS control unit (see EPS CONTROL UNIT REMOVAL/INSTALLATION ).
- Disconnect EPS control unit connector D (28P).
- Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
- Measure the voltage between EPS control unit connector D (28P) terminal No. 16 and body ground.
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Is there battery voltage?
YES - Go to step 10.
NO - Repair an open in the wire between the EPS control unit and driver's under-dash fuse/relay box.
- Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
- Disconnect EPS control unit connector A (2P).
- Check for continuity between EPS control unit connector A (2P) terminal No. 1 and body ground.
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Is there continuity?
YES - Go to step 13.
NO - Repair an open in the wire between the EPS control unit and body ground (G204).
- Disconnect the gauge control module 32P connector.
- Check for continuity between EPS control unit connector D (28P) terminal No. 1 and gauge control module 32P connector terminal No. 14.Fig 4: Checking Continuity Between EPS Control Unit Connector D (28P) Terminal No. 1 And Gauge Control Module 32P Connector Terminal No. 14
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Is there continuity?
YES - Go to step 15.
NO - Repair an open in the wire between the EPS control unit and the gauge control module.
- Check for continuity between EPS control unit connector D (28P) terminal No. 15 and gauge control module 32P connector terminal No. 13.Fig 5: Checking Continuity Between EPS Control Unit Connector D (28P) Terminal No. 15 And Gauge Control Module 32P Connector Terminal No. 13
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
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 (see EPS CONTROL UNIT REMOVAL/INSTALLATION ).
NO - Repair an open in the wire between the EPS control unit and the gauge control module.