Test Step 3 - Check the Secondary Ratchet Switch

• With the scan tool, monitor the secondary ratchet switch.
• Using a screwdriver, click the latch to the fully closed position while observing the scan tool.
• Unlatch the latch by pressing the handle switch and observe the scan tool for a change of state.
• Repeat this step several times while moving the liftgate in different positions and wiggling the harness to check for an intermittent short circuit.

Did the scan tool show the switch state changing correctly every time?

Yes

• Go to Test Step 4 Test Step 4 - Check the Liftgate Open Driver Circuit for a Short to Voltage 

No

• Go to Test Step 8 Test Step 8 - Check the Latch Secondary Position Sense Circuit for a Short to Ground