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Test 10A - 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, TEST VER-1A - VERIFICATION PROCEDURE  .
CAUTION: Always turn ignition off prior to disconnecting any module connector.
  1. Remove and inspect fuse No. 17. If fuse is blown, go to TEST 10B  . If fuse is okay, go to next step.
  2. Using external voltmeter, measure voltage between ground and feed side of fuse No. 17 (Dark Blue wire). If voltage is 10 volts or less, repair open Dark Blue wire. If voltage is more than 10 volts, go to next step.
  3. Disconnect battery and wait 2 minutes. Disconnect Air Bag Control Module (ACM) 13-pin connector. ACM is located under center console. Reinstall fuse No. 17. Reconnect battery. Turn ignition on.
  4. Using external voltmeter, measure voltage between ground and ACM connector terminal No. 1 (Light Green/Yellow wire). If voltage is 10 volts or less, repair open Light Green/Yellow wire. If voltage is more than 10 volts, go to next step.
    NOTE: For appropriate wire color tracers (i.e.. Black/*), see WIRING DIAGRAMS  .
  5. Turn ignition off. Using ohmmeter, measure resistance between ground and ACM connector terminal No. 11 (Black/* wire). If resistance is 5 ohms or more, repair open Black/* wire. If resistance is less than 5 ohms, go to next step.
  6. Connect jumper between ground and ACM connector terminal No. 3 (Violet wire). Using scan tool, select BODY, BODY COMPUTER, then SYSTEM TEST. Perform CCD BUS test. If scan tool does not display BUS SHORT TO GROUND, repair open Violet wire. If scan tool displays BUS SHORT TO GROUND, go to next step.
  7. Move jumper wire to ACM terminal No. 4 (White/Black wire on JA body and White/Dark Blue wire on JX body). Perform CCD BUS test. If scan tool does not display BUS SHORT TO GROUND, repair open White/Black or White/Dark Blue wire. If scan tool displays BUS SHORT TO GROUND, replace ACM.
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