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Test 2A - 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. Remove and inspect fuse No. 19 from junction block. Junction block is on left side of instrument panel. If fuse is open, go to TEST 2B  . If fuse is okay, go to next step.
  2. Using external voltmeter, measure voltage between ground and voltage input side of fuse No. 19 socket. If voltage is 10 volts or less, repair open ignition switch output circuit. If voltage is more than 10 volts, go to next step.
  3. Turn ignition off and wait 2 minutes. Install fuse No. 19. Disconnect Air Bag Control Module (ACM) connector. ACM is located under front of center console. Turn ignition on.
  4. Using external voltmeter, measure voltage between ground and terminal No. 17 (Light Green/Yellow wire) on ACM connector. If voltage is 10 volts or less, repair open Light Green/Yellow wire. If voltage is more than 10 volts, go to next step.
  5. Turn ignition off. Using external ohmmeter, measure resistance between ground and terminal No. 10 (Black/Tan wire) on ACM connector. If resistance is 5 ohms or greater, repair open Black/Tan wire. If resistance is less than 5 ohms, go to next step.
  6. Turn ignition on. Using external voltmeter, measure voltage between ground and terminal No. 19 (Violet/Brown wire) on ACM connector. If voltage is not 1.8-2.6 volts, repair open Violet/Brown wire. If voltage is 1.8-2.6 volts, go to next step.
  7. Using external voltmeter, measure voltage between ground and terminal No. 18 (White/Black wire) on ACM connector. If voltage is not 1.8-2.6 volts, repair open White/Black wire. If voltage is 1.8-2.6 volts, see AIR BAG RESTRAINT SYSTEM article.
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