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Test 2B - No Response From Air Bag Control Module

NOTE: For connector terminal identification see CONNECTOR IDENTIFICATION  . For wiring diagrams, see WIRING DIAGRAMS  . Perform, after each repair, VERIFICATION TEST VER-1A - VERIFICATION PROCEDURE  .
CAUTION: Always turn ignition off prior to disconnecting any module connector.
  1. Using external voltmeter, measure voltage between ground and fused ignition switch output run/start terminal (Light Green/Yellow wire) on fuse No. 19 socket. If voltage is 10 volts or less, repair open Light Green/Yellow wire. If voltage is more than 10 volts, go to next step.
  2. Turn ignition off and wait 2 minutes. Using external ohmmeter, measure resistance between ground and fused ignition switch output run/start terminal (Light Green/Yellow wire) on fuse No. 19 socket. If resistance is less than 5 ohms, go to next step. If resistance is 5 ohms or greater, go to step 5).
  3. Disconnect Air Bag Control Module (ACM) connector. ACM is located under front of center console. Turn ignition on.
  4. Measure resistance between ground and fused ignition switch output run/start terminal (Light Green/Yellow wire) on fuse No. 19 socket. If resistance is less than 5 ohms, repair Light Green/Yellow wire for short to ground. Replace fuse No. 19. If resistance is 5 ohms or greater, replace fuse No. 19. Go to AIR BAG RESTRAINT SYSTEM article for further testing.
  5. Turn ignition off and wait 2 minutes. Disconnect Air Bag Control Module (ACM) connector. ACM is located under front of center console. Using external ohmmeter, measure resistance between terminal No. 17 (Light Green/Yellow wire) on ACM connector and fused ignition switch output run/start terminal (Light Green/Yellow wire) on fuse No. 19 socket.
  6. If resistance is less than 5 ohms, connect ACM connector. Turn ignition on. Replace fuse No. 19 in junction block. Go to AIR BAG RESTRAINT SYSTEM article manual for further testing. If resistance is 5 ohms or greater, repair open Light Green/Yellow wire. Replace fuse No. 19.
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