LEMON Manuals: Even more car manuals for everyone
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 P1689: Traction Control Delivered Torque Output Circuit ("Y" Body) >> 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, check for any ABS/Traction Control DTCs. If related DTCs are set, diagnose affected DTC(s). If no related DTC(s) are set, go to next step.
  3. Turn ignition off. Disconnect PCM harness connector. Turn ignition on, with engine off. Check voltage on delivered torque circuit at PCM harness connector. If battery voltage is present, go to step  7. If battery voltage is not present, go to next step.
  4. Disconnect EBTCM harness connector. Check continuity of delivered torque circuit. If continuity exists, go to next step. If continuity does not exist, go to step  6.
  5. Check continuity of delivered torque circuit to ground. If continuity exists, go to next step. If continuity does not exist, diagnose ABS brake system. See appropriate ANTI-LOCK article in BRAKES.
  6. Repair delivered torque circuit for an open or short to ground. After repairs, go to step  9.
  7. Check for poor connections at PCM. Repair as necessary. After repairs, go to step  9. If connections are okay, go to next step.
  8. Replace PCM. Program replacement PCM using required equipment. After replacing PCM, go to next step.
  9. Using scan tool, select CLEAR INFO or CLEAR DTCs function to clear DTCs. Turn ignition on, with engine off. Using scan tool, review FREEZE FRAME data and note parameters. Start engine and operate vehicle within conditions required for setting this DTC, and as close to conditions recorded in FREEZE FRAME as possible. Monitor SPECIFIC DTC info for this DTC until this DTC test runs. If scan tool indicates FAILED THIS IGN, repeat step  2. If scan tool does not indicate FAILED THIS IGN, system is okay.
  10. Using scan tool, select CAPTURE INFO, REVIEW INFO function. If any undiagnosed DTCs are displayed, diagnose affected DTCs.
scientia non olet · About LEMON Manuals