LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Saturn >> 2007 >> Ion Red Line >> Repair and Diagnosis >> External Pages >> Different car >> Section 320 (Cruise Control System) >> Diagnostic Information and Procedures >> Cruise Control Malfunction >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
  • Electromagnetic interference (EMI) on the speed sensor signal circuit may cause erratic cruise control operation.
  • Inspect for proper operation of the clutch pedal position (CPP) sensor. Do not perform this diagnostic if DTC P0806, P0807, P0808 or P080A are stored in the ECM. Refer to DTC P0806 , DTC P0807 or P0808 , DTC P080A (MU3) or DTC P0806 , DTC P0807 or P0808 , DTC P080A (Getrag 5 Speed) if this DTC is set in the ECM as current or history.

Engine ON, while rotating the steering wheel to both steering stops, observe the scan tool Cruise Control Switch parameter while pressing each of the cruise control switches. The parameter should toggle between On, Off, Resume and Set as the applicable switch is pressed.

scientia non olet · About LEMON Manuals