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Pinch Sensor Signal Circuit Short To Ground

NOTE: After making any repairs, perform BODY VERIFICATION TEST  under VERIFICATION TESTS.
  1. Using scan tool, erase DTCs. Turn ignition off. Wait approximately 10 seconds. Turn ignition on. Operate liftgate several times. Recheck for DTCs. If PINCH SENSOR CIRCUIT SHORT TO GROUND resets, go to next step. If PINCH SENSOR CIRCUIT SHORT TO GROUND does not reset, system is operating properly at this time. Check for intermittent poor connections or faulty circuits.
  2. Disconnect Power Liftgate Module (PLGM) connector C2. See Figure. To access connector, left rear trim will need to be removed. See POWER LIFTGATE MODULE  under REMOVAL & INSTALLATION. Using DVOM, measure resistance between PLGM connector C2 terminal No. 5 (Orange/Light Blue wire) and No. 20 (Black/Light Green wire). See Figure. If resistance is greater than 20 ohms, go to next step. If resistance is 20 ohms or less, repair short between Orange/Light Blue and Black/Light Green wires. See POWER DOOR LOCKS in appropriate SYSTEM WIRING DIAGRAMS article in ELECTRICAL.
  3. Using DVOM, measure resistance between ground and PLGM connector C2 terminal No. 5 (Orange/Light Blue wire). If resistance is 100 ohms or less, go to next step. If resistance is greater than 100 ohms, replace PLGM.
  4. Disconnect right pinch sensor connector. See Figure. To access connector, door panel will need to be removed. For removal and installation procedures, see POWER SLIDING DOOR MODULE  under REMOVAL & INSTALLATION. Using DVOM, measure resistance between ground and PLGM connector C2 terminal No. 5 (Orange/Light Blue wire). If resistance is 100 ohms or less, go to next step. If resistance is greater than 100 ohms, replace right pinch sensor.
  5. Disconnect left pinch sensor connector. Using DVOM, measure resistance between ground and right pinch sensor connector terminal No. 1 (Orange/Dark Blue wire). If resistance is greater than 1000 ohms, go to next step. If resistance is 1000 ohms or less, repair short to ground in Orange/Dark Blue wire.
  6. Reconnect right pinch sensor connector. Using DVOM, measure resistance between ground and PLGM connector C2 terminal No. 5 (Orange/Light Blue wire). If resistance is 100 ohms or less, repair short to ground in Orange/Light Blue wire between right pinch sensor and PLGM. If resistance is greater than 100 ohms, replace left pinch sensor.
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