Left Front Door Ajar Switch Sense Circuit Open
NOTE:
After making any repairs, perform BODY VERIFICATION TEST under VERIFICATION TESTS.
- Open driver's door. Using scan tool, select INPUTS/OUTPUTS and monitor DR DOOR AJAR SW state. If scan tool does not display DR DOOR AJAR SW state CLOSED, go to next step. If scan tool displays DR DOOR AJAR SW state CLOSED, system is operating properly at this time. Check for intermittent poor connections or faulty circuits.
- On vehicles with power door locks, disconnect driver's door lock motor/ajar switch connector. See Fig 1. See POWER DOOR LOCKS & LIFTGATE RELEASE article. On vehicles without power door locks, disconnect driver's door ajar switch connector. Using a test light connected to battery voltage, probe driver's door lock motor/ajar switch (with power locks) or driver's door ajar switch (without power locks) connector terminal No. 2 (Black/Violet wire). If test light illuminates, go to next step. If test light does not illuminate, repair open in Black/Violet wire between driver's door lock motor/ajar switch (with power locks) or driver's door ajar switch (without power locks) and ground connection located on left "B" pillar.
- Using scan tool, monitor DR DOOR AJAR SW state. Connect a jumper wire between driver's door lock motor/ajar switch (with power locks) or driver's door ajar switch (without power locks) connector terminals. If scan tool does not display DR DOOR AJAR SW state CLOSED, go to next step. If scan tool displays DR DOOR AJAR SW state CLOSED, replace driver's door lock motor/ajar switch (with power locks) or driver's door ajar switch (without power locks).
- Locate and disconnect Body Control Module (BCM) connector C3. See COMPONENT LOCATIONS . See Figure. Using DVOM, measure resistance of Violet wire between driver's door lock motor/ajar switch (with power locks) or driver's door ajar switch (without power locks) and BCM connector C3 terminal No. 6. If resistance is 5 ohms or less, replace BCM. See BODY CONTROL MODULE under REMOVAL & INSTALLATION. If resistance is greater than 5 ohms, repair open in Violet wire between driver's door lock motor/ajar switch (with power locks) or driver's door ajar switch (without power locks) and BCM.