Circuit/System Verification

Ignition ON.
Verify the Scan Tool Rear Closure Ajar Switch Parameter changes between Inactive and Active when Opening and closing the liftgate.
- If the parameter does not change
- Refer to Door Ajar Indicator Malfunction
- If the parameter changes
Verify the scan tool Rear Wiper Switch parameter changes between On and Off when cycling the rear wiper switch ON and OFF.
- If the parameter does not change
  Refer to Rear Wiper System Malfunction
- If the parameter changes
Verify the G24 Windshield Washer Pump turns on and off when commanding the rear washers OFF and ON with the rear washer switch
- If the Rear Window Washers do not turn ON
  Refer to Circuit/System Testing below.
- If the Rear Window Washers turn ON
All OK.