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Home >> Honda >> 2000 >> CR-V SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Engine Controls - Self-Diagnostics - 4.3L) >> Diagnostic Trouble Code Identification >> DTC P0704: Clutch Switch Circuit >> Diagnostic Procedures

Diagnostic Procedures

WARNING: This page is about a different car, the 2000 Isuzu Hombre. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform On-Board Diagnostic (OBD) System Check. See SELF-DIAGNOSTICS - INTRODUCTION article. After performing OBD-II system check, go to next step.
  2. Ensure Tech 2 scan tool is installed. Turn ignition on, with engine off. Using scan tool, display clutch switch parameter. Engage and disengage clutch several times. If scan tool display change indicates when clutch is engaged and disengaged, go to step  7. If scan tool display change does not indicate when clutch is engaged and disengaged, go to next step.
  3. If ABS or BRAKE fuse (10-amp), located in instrument panel fuse block, is blown, go to step  8. If fuse is not blown, go to next step.
  4. Turn ignition off. Disconnect clutch switch connector. Connect a jumper wire between ignition feed circuit (Purple wire) and signal circuit (Brown/White wire) of clutch switch connector. Turn ignition on, with engine off. Using scan tool, check if clutch switch is on. If scan tool indicates clutch switch is on, go to next step. If scan tool indicates clutch switch is off, go to step  6.
  5. Remove jumper wire from clutch switch connector. Using scan tool, check if clutch switch is off. If scan tool indicates clutch switch is off, go to step  11. If scan tool indicates clutch switch is on, go to step  9.
  6. Check for open in signal circuit (Brown/White wire). If a problem in circuit was found, go to step  12. If a problem in circuit was not found, go to step  10.
  7. DTC P0704 is intermittent. If any additional DTCs are set, diagnose affected DTCs. If no additional DTCs are set, see TROUBLE SHOOTING - NO CODES article.
  8. Check for and repair conditions that caused fuse to blow. Replace fuse. After replacing fuse, go to step  14.
  9. Check for short to battery in signal circuit (Brown/White wire). If a problem was found, go to step  12. If a problem was not found, go to step  13.
  10. Check for poor connections at VCM. If a problem was found, go to step  12. If a problem was not found, go to step  13.
  11. Replace clutch switch. After replacing switch, go to step  14.
  12. Repair circuits and/or connections as necessary. After repairs, go to step  14.
  13. Replace Vehicle Control Module (VCM). Program replacement VCM. See PROGRAMMING . After replacing VCM, go to next step.
  14. Using scan tool, select DTC, CLEAR INFO. Start and warm engine to normal operating temperature. Select DTC, SPECIFIC, then enter DTC P0704. Operate vehicle within the conditions for setting this DTC. If scan tool indicates that this test RAN AND PASSED, go to next step. If scan tool does not indicate that this test RAN AND PASSED, repeat step  2.
  15. Using scan tool, select CAPTURE INFO, REVIEW INFO. If any undiagnosed DTC(s) are displayed, go to applicable DTC test.
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