Circuit/System Testing
WARNING: This page is about a different car, the 2010 GMC Terrain and 2010 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at the P24 Park Assist Display.
- Ignition ON, test for greater than 11 V between the B+ circuit terminal A and ground.
- If less than the specified value, test the B+ circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the K41 Parking Assist Control Module.
- Ignition OFF, disconnect the X1 harness connector at the K41 Parking Assist Control Module.
- Ignition ON, test for less than 0.3 V between the K41 Parking Assist Control Module control circuit terminals listed below and ground:
- Terminal 4 X1
- Terminal 9 X1
- Terminal 10 X1
- If greater than the specified value, test the control circuit for a short to voltage.
- Ignition OFF, test for infinite resistance between the K41 Parking Assist Control Module control circuit terminals listed below and ground:
- Terminal 4 X1
- Terminal 9 X1
- Terminal 10 X1
- If less than the specified value, test control circuit for a short to ground.
- Connect the harness connector at the K41 Parking Assist Control Module.
- Ignition ON, command the appropriate LED ON with the scan tool and verify a test lamp illuminates between the appropriate control circuit terminal listed below and ground:
- Amber 1 LED - terminal B
- Amber 2 LED - terminal C
- Red LED - terminal D
- If the test lamp does not illuminate, test the control circuit for an open/high resistance. If all circuits test normal, K41 Parking Assist Control Module.
- If all circuits test normal, replace the P24 Park Assist Display.