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Symptom: INCOMPLETE POWER OPEN - FULL OPEN SWITCH FAILURE When Monitored and Set Condition: INCOMPLETE POWER OPEN - FULL OPEN SWITCH FAILURE When Monitored: During the Power Liftgate open cycle. Set Condition: The Full Open Switch was detected as closed before 200 optical pulses were counted since the start of the open operation. May be triggered by an intermittent full POSSIBLE CAUSES DTC PRESENT FULL OPEN SWITCH INTERMITTENT SHORT TO GROUND FULL OPEN SWITCH SENSE WIRE SHORT TO GROUND FULL OPEN SWITCH POWER LIFTGATE MODULE. TEST ACTION APPLICABILITY 1 With the DRBIII t, record and erase DTC’s. Turn the ignition off, wait 10 seconds, then turn the ignition on. t, read ACTIVE DTCs. Does the DRBIII t display INCOMPLETE POWER OPEN - FULL OPEN SWITCH FAILURE? All Yes → Go To 2 No → Using the wiring diagram/schematic as a guide, inspect the wiring and connectors for an intermittent condition. Operate the 2 Examine the liftgate for proper fit and alignment, foreign material in the drive unit t in Inputs/Outputs, read the FULL OPEN SWITCH state. Manually operate the liftgate while monitoring the DRBIII t. Does the switch status change smoothly as the liftgate is pulled down from the full All Yes → Go To 3 No → Go To 4 853 POWER DOORS - LIFTGATE |