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Home >> Acura >> 2009 >> TL Base >> Repair and Diagnosis >> Steering >> Power Steering >> Power Steering System >> EPS Components >> DTC Troubleshooting >> DTC 32-01: EPS Control Unit Internal Circuit (Current Sensor) (Initial Diagnosis); DTC 32-02: EPS Control Unit Internal Circuit (Current Sensor) (Regular Diagnosis); DTC 35-01: EPS Control Unit Internal Circuit (CPU) (Initial Diagnosis/Regular Diagnosis); DTC 35-02: EPS Control Unit Internal Circuit (EEPROM) (Initial Diagnosis); DTC 35-04: EPS Control Unit Internal Circuit (CPU Communication) (Regular Diagnosis); DTC 35-07: EPS Control Unit Internal Circuit (INHL/INHR Ports) (Initial Diagnosis/Regular Diagnosis); DTC 36-02: EPS Control Unit Internal Circuit (INH Output Circuit) (Initial Diagnosis); DTC 37-01: EPS Control Unit Internal Circuit (Step-up Circuit) (Initial Diagnosis)
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DTC 32-01: EPS Control Unit Internal Circuit (Current Sensor) (Initial Diagnosis); DTC 32-02: EPS Control Unit Internal Circuit (Current Sensor) (Regular Diagnosis); DTC 35-01: EPS Control Unit Internal Circuit (CPU) (Initial Diagnosis/Regular Diagnosis); DTC 35-02: EPS Control Unit Internal Circuit (EEPROM) (Initial Diagnosis); DTC 35-04: EPS Control Unit Internal Circuit (CPU Communication) (Regular Diagnosis); DTC 35-07: EPS Control Unit Internal Circuit (INHL/INHR Ports) (Initial Diagnosis/Regular Diagnosis); DTC 36-02: EPS Control Unit Internal Circuit (INH Output Circuit) (Initial Diagnosis); DTC 37-01: EPS Control Unit Internal Circuit (Step-up Circuit) (Initial Diagnosis)

  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. Check for DTCs with the HDS

    Is DTC 32-01, 32-02, 35-01, 35-02, 35-04, 35-07, 36-02, or 37-01 indicated? 

    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  -Troubleshoot the indicated DTC If there are no DTCs, the system is OK at this time