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Test 7: Door Courtesy Switch Circuit

  1. Check that open door warning light comes on when each door is opened, and goes off when all doors are closed. If open door warning light operates as specified, go to next step. If open door warning light does not operate as specified, check open door warning light circuit. See WIRING DIAGRAMS .
  2. With ignition switch in OFF position, remove wireless door lock ECU from under left side of instrument panel. See Figure. Measure voltage (backprobe) between ground and ECU connector terminal No. 14 (Red/White wire). See Figure. If battery voltage does not exist, repair Red/White wire. If battery voltage exists, proceed to next test given under TROUBLE SHOOTING .
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