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Test 5A: Driver Seat Belt PRETENSIONER Circuit Open

WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
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. Turn ignition switch to ON position. Using DRBIII, determine if DRIVER SEAT BELT PRETENSIONER CIRCUIT OPEN is an active or stored Diagnostic Trouble Code (DTC). If DRIVER SEAT BELT PRETENSIONER CIRCUIT OPEN is an active DTC, go to next step. If DRIVER SEAT BELT PRETENSIONER CIRCUIT OPEN is a stored DTC, go to TEST 1B: REPAIRING STORED CODES .
  2. Disable air bag system. See DISABLING SYSTEM  under DISABLING & ACTIVATING AIR BAG SYSTEM. Access driver-side seat belt pretensioner and disconnect harness connector. See SEAT BELT PRETENSIONER  under REMOVAL & INSTALLATION. Connect appropriate SRS load tool to driver-side seat belt pretensioner harness connector. Turn ignition switch to ON position. Connect negative battery cable. On DRBIII, read active DTCs. If DRBIII displays DRIVER SEAT BELT PRETENSIONER CIRCUIT OPEN, go to next step. If DRBIII does not display DRIVER SEAT BELT PRETENSIONER CIRCUIT OPEN, replace driver-side seat belt pretensioner.
  3. Turn ignition switch to OFF position. Disconnect negative battery cable and wait at least 2 minutes. Access and disconnect Air Bag Control Module (ACM) connector. See AIR BAG CONTROL MODULE (ACM)  under REMOVAL & INSTALLATION. Connect appropriate SRS load tool adapter to harness side of ACM connector. Remove load tool from driver-side seat belt pretensioner harness connector. Measure resistance in driver-side seat belt pretensioner line 1 circuit (Light Green/Dark Green wire) between load tool adapter and pretensioner connector. See WIRING DIAGRAMS . Measure resistance in driver-side seat belt pretensioner line 2 circuit (Light Green/Yellow wire) between load tool adapter and pretensioner connector. If resistance is less than one ohm in both circuits, replace ACM. If resistance is more than one ohm in either circuit, repair open or high resistance in appropriate wire.
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