Circuit / System Testing
WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at the I/P fuse block.
- Connect a test lamp between the supply voltage circuit terminal 20 and ground.
- Command the liftgate latch to release by pressing the liftgate switch. The test lamp should turn ON and OFF while pressing and depressing the liftgate switch.
- If the test lamp is always ON, test the supply voltage circuit for a short to voltage. If the circuit tests normal, replace the BCM.
- If the test lamp is always OFF, test the supply voltage circuit for a short to ground. If the circuit tests normal, replace the BCM.
- If all circuits test normal, replace the I/P fuse block.