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 P0568: Cruise Set 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  under SELF-DIAGNOSTIC SYSTEM. After performing OBD system check, go to next step.
    NOTE: If DTC P1518 is also set, diagnose DTC P1518 first. See DTC P1518: TAC MODULE SERIAL DATA CIRCUIT ("Y" BODY) .
  2. Using scan tool, read cruise SET/COAST switch status. Turn ignition on, with engine off. Turn cruise switch on. If scan tool indicates ON, go to next step. If scan tool does not indicate ON, see DIAGNOSTIC AIDS .
  3. Turn ignition off. Disconnect cruise control switch harness connector. Turn ignition on, with engine off. Using scan tool, monitor cruise SET/COAST switch parameter. If scan tool indicates ON, go to next step. If scan tool does not indicate ON, go to step  6.
  4. Turn ignition off. Disconnect TAC module connector. Turn ignition on. Using appropriate jumpers from Connector Kit (J-35616-A) and a test light connected to ground, probe TAC module connector (harness side), SET/COAST switch signal circuit. If test light illuminates, go to next step. If test light does not illuminate, go to step  7.
  5. Check cruise SET/COAST switch signal circuit for short to voltage. Repair as necessary. After repairs, go to step  8. If circuit is okay, go to step  7.
  6. Replace cruise control multifunction switch. After replacing switch, go to step  8.
  7. Replace TAC module. After replacing module, go to next step.
  8. Using scan tool, select DTC, CLEAR INFO function. 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, repeat step  2.
  9. Using scan tool, select CAPTURE INFO, REVIEW INFO function. If any undiagnosed DTCs are displayed, go to applicable DTC test.
scientia non olet · About LEMON Manuals