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Diagnostic Procedures

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  1. Did you perform the Diagnostic System Check-Engine Controls? If yes, go to next step. If no, see DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS  under SELF-DIAGNOSTIC SYSTEM.
  2. Install a Scan Tool. Turn ON the ignition, with the engine OFF. Use the Scan Tool to monitor the clutch pedal position switch parameter. Apply and release the clutch pedal several times. Does the Scan Tool indicate a change in state when the clutch pedal is either applied or released? If yes, see INTERMITTENT CONDITIONS  under SELF-DIAGNOSTIC SYSTEM. If no, go to next step.
  3. Inspect the adjustment of the clutch pedal position switch. Did you find and correct a condition? If yes, go to step  14 . If no, go to next step.
    4. WARNING: When you are performing service on or near the SIR components or the SIR wiring, you must disable the SIR system. See appropriate AIR BAG RESTRAINT SYSTEMS article in ACCESSORIES & EQUIPMENT. Failure to follow the correct procedure could cause air bag deployment, personal injury, or unnecessary SIR system repairs.
  4. Turn OFF the ignition. Disconnect the clutch pedal position switch connector. Measure the voltage between Pin "E" of the clutch pedal position switch electrical connector and a good ground. Does the Digital Multimeter (DMM) indicate battery voltage? If yes, go to next step. If no, go to step  11 .
  5. Use a fused jumper wire to connect Pin "B" and Pin "D" of the clutch pedal position switch electrical connector. Turn ON the ignition, with the engine OFF. Use the Scan Tool to monitor the clutch pedal position switch parameter. Does the Scan Tool display that the clutch is released? If yes, go to step  8 . If no, go to next step.
  6. Turn OFF the ignition. Disconnect the PCM connector C2. Use the Digital Multimeter (DMM) in order to test for continuity on the clutch pedal switch signal circuit (CKT 379) between Pin "D" of the clutch pedal position switch and Pin B9 of PCM connector C2. Did you detect continuity? If yes, go to next step. If no, go to step  10 .
  7. Use the DMM in order to test for continuity between Pin "D" of the clutch pedal position switch and a good ground. Did you detect continuity? If yes, go to step  10 . If no, go to step  9 .
  8. Inspect for a loose connection at the clutch pedal position switch connector. Repair the condition as necessary. Did you find and correct the condition? If yes, go to step  14 . If no, go to step  12 .
  9. Inspect for a loose connection at the PCM. Repair the condition as necessary. Did you find and correct the condition? If yes, go to step  14 . If no, go to step  13 .
  10. Repair the open or short to ground in the clutch position switch signal circuit (CKT 379). After repairs, go to step  14 .
  11. Repair the open in the clutch position switch feed circuit (CKT 441). After repairs, go to step  14 .
  12. Replace the clutch pedal position switch. After repairs, go to step  14 .
  13. Replace the PCM. See appropriate REMOVAL, OVERHAUL & INSTALLATION article. Reprogram PCM. See POWERTRAIN CONTROL MODULE  under PROGRAMMING. After repairs, go to next step.
  14. Select the DTC. Select Clear Info. Operate the vehicle within the Conditions for Running DTC. Select Specific DTC. Enter DTC P0704. Has the test run and passed? If yes, system is okay. If no, go to step  1 .
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