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Test 13E - Bus Short To 5 Volts

  1. Turn ignition off. Using external ohmmeter, measure resistance Body Control Module (BCM) Black connector, terminal A19 (Violet/Brown wire) and White connector, terminal B3 (Red/Black wire). If resistance is less than 5 ohms, repair short between Violet/Brown wire and Red/Black wire. If resistance is 5 ohms or greater, go to next step.
  2. Measure resistance Body Control Module (BCM) Black connector, terminal A20 (White/Black wire) and White connector, terminal B3 (Red/Black wire). If resistance is less than 5 ohms, repair short between White/Black wire and Red/Black wire. If resistance is 5 ohms or greater, go to next step.
  3. Measure resistance Body Control Module (BCM) Black connector, terminal A19 (Violet/Brown wire) and White connector, terminal B9 (Orange/Black wire). If resistance is less than 5 ohms, repair short between Violet/Brown wire and Orange/Black wire. If resistance is 5 ohms or greater, go to next step.
  4. Measure resistance Body Control Module (BCM) Black connector, terminal A20 (White/Black wire) and White connector, terminal B9 (Orange/Black wire). If resistance is less than 5 ohms, repair short between White/Black wire and Orange/Black wire. If resistance is 5 ohms or greater, go to next step.
  5. Measure resistance Body Control Module (BCM) Black connector, terminals A14 (Light Blue wire) and A19 (Violet/Brown wire). If resistance is less than 5 ohms, repair short between Light Blue wire and Violet/Brown wire. If resistance is 5 ohms or greater, go to next step.
  6. Measure resistance Body Control Module (BCM) Black connector, terminals A14 (Light Blue wire) and A20 (White/Black wire). If resistance is less than 5 ohms, repair short between Light Blue wire and White/Black wire. If resistance is 5 ohms or greater, replace BCM.
NOTE: For connector terminal ID, see CONNECTOR IDENTIFICATION  and WIRING DIAGRAM  . After each repair, perform VERIFICATION TEST VER-1.
CAUTION: Always turn ignition off prior to disconnecting any module connector.
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