DTC 32-08: EPS Control Unit Internal Circuit (Current Sensor); DTC 32-09: Motor Current Correlation
- Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
- Clear the DTC with the HDS.
- Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
- Start the engine.
- Turn the steering wheel to the right or left, and wait 10 seconds or more.
- Check for DTCs with the HDS.
Is DTC 32-08 or 32-09 indicated?
YES - Go to step 7.
NO - Troubleshoot the indicated DTC. If there are no DTCs, the system is OK at this time.
- Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
- Disconnect EPS control unit connector B (2P) and connector C (2P).
- Check for continuity between following terminals of EPS control unit connector B (2P) and connector C (2P).Fig 1: Checking Continuity Between Terminals Of EPS Control Unit Connector B (2P) And Connector C (2P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES - Check for loose terminals in the EPS control unit connectors and EPS motor connectors, and repair if necessary. If no poor connections are found, replace the EPS control unit (see EPS CONTROL UNIT REMOVAL/INSTALLATION ).
NO - Go to step 10.
- Disconnect the EPS motor 3P connector.
- On the EPS motor side, check for continuity between EPS motor 3P connector terminals No. 1 and No. 2, No. 1 and No. 3, and No. 2 and No. 3 individually.Fig 2: Checking Continuity Between EPS Motor 3P Connector Terminals No. 1 And No. 2, No. 1 And No. 3, And No. 2 And No. 3 Individually
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES - Repair an open in the wire between the EPS control unit and the EPS motor.
NO - Replace the steering gearbox (see STEERING GEARBOX REMOVAL AND INSTALLATION ).