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Home >> Chevrolet >> 2001 >> Camaro Base, 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Engine Control System Self-Diagnostics - 5.7L) >> Diagnostic Tests >> DTC P0704: Clutch Switch Circuit >> Diagnostic Procedures

Diagnostic Procedures

WARNING: This page is about a different car, the 2000 Pontiac Firebird, 2000 Chevrolet Corvette, and 2000 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform On-Board Diagnostic (OBD) system check. See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK . After performing OBD system check, go to next step.
  2. Turn ignition on, with engine off. Using scan tool, monitor clutch pedal position switch parameter. Depress and release clutch pedal several times. If scan tool indicates a change in switch state as pedal is actuated, see DIAGNOSTIC AIDS . If scan tool does not indicate a change in switch state, go to next step.
  3. Check clutch pedal adjustment. Adjust as necessary. After adjustment, go to step  14. If no adjustment is necessary, go to next step.
  4. Turn ignition off. Disconnect clutch pedal position switch harness connector. Turn ignition on, with engine off. Check voltage between ground and clutch pedal position signal circuit at harness connector. If battery voltage is present, go to next step. If battery voltage is not present, go to step  6.
  5. Using a fused jumper wire, jumper clutch pedal position switch terminals together at harness connector. If scan tool indicates CLUTCH SWITCH RELEASED, go to step  9. If scan tool does not indicate CLUTCH SWITCH RELEASED, go to step  8.
  6. Check for continuity between ground and clutch pedal signal circuit. If continuity exists, go to step  11. If continuity does not exist, go to next step.
  7. Turn ignition off. Disconnect PCM harness connector C1. Check for continuity in clutch pedal position signal circuit. If continuity exists, go to step  10. If continuity does not exist, go to step  11.
  8. Check for continuity between ground and clutch pedal position signal circuit. If continuity exists, go to next step. If continuity does not exist, go to step  12.
  9. Check for poor connections at clutch pedal position switch. Repair as necessary. After repairs, go to step  15. If connections are okay, go to step  13.
  10. Check for poor connections at PCM. Repair as necessary. After repairs, go to step  15. If connections are okay, go to step  14.
  11. Repair clutch pedal position switch signal circuit. After repairs, go to step  15.
  12. Repair clutch pedal position switch ignition feed circuit. After repairs, go to step  15.
  13. Replace clutch pedal position switch. After replacing switch, go to step  15.
  14. Replace PCM. Program replacement PCM using required equipment. After replacing PCM, go to next step.
  15. Using scan tool, clear DTCs. Start and warm engine to normal operating temperature. Select DTC, SPECIFIC, then enter this DTC. Operate vehicle within 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, go to step  2.
  16. Using scan tool, select CAPTURE INFO, REVIEW INFO function. If any undiagnosed DTCs are displayed, go to applicable DTC test. If no undiagnosed DTCs are displayed, system is okay.
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