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Test 21A: ACM, Passenger Squib Circuit Short (Active Code)

NOTE: Prior to performing any air bag system test, go to PRETEST INSPECTION & DIAGNOSTIC PROCEDURE  under DIAGNOSTICS. Perform TEST VER-1: AIR BAG VERIFICATION TEST  after all repairs unless otherwise directed.
  1. Disable air bag system. See DISABLING SYSTEM  under DISABLING & ACTIVATING AIR BAG SYSTEM. Disconnect passenger-side air bag module connector located above glove box. Connect SRS Load Tool (8310) Brown cable and appropriate jumper to harness side of passenger-side air bag module connector. Connect DRB to DLC. Turn ignition switch to ON position. Connect negative battery cable. On DRB display, read active air bag DTCs. If DRB displays PASSENGER SQUIB CIRCUIT SHORT, go to next step. If DRB does not display PASSENGER SQUIB CIRCUIT SHORT, replace passenger-side air bag module. See PASSENGER-SIDE AIR BAG MODULE  under DESCRIPTION & OPERATION.
  2. Turn ignition switch to OFF position. Disconnect negative battery cable and wait at least 2 minutes. Access and disconnect ACM connector. See AIR BAG CONTROL MODULE (ACM)  under REMOVAL & INSTALLATION. Connect SRS Load Tool (8310) ACM adapter to harness side of ACM connector. Measure resistance between Black-Yellow wire and Dark Green-Yellow wires on harness side of passenger-side air bag module connector. If resistance is less than 10 megohms, repair short circuit between Black-Yellow and Dark Green-Yellow wires. See WIRING DIAGRAMS  . If resistance is more than 10 megohms and no other malfunctions are detected, replace ACM.
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