LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 1998 >> Avalon XLS >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Air Bag Restraint System >> Diagnostic Tests >> DTC 64: Open In Passenger-Side Seat Belt PRETENSIONER Squib Circuit >> Diagnostic Procedure

Diagnostic Procedure

  1. Disable air bag system. See DISABLING SYSTEM  under DISABLING & ACTIVATING AIR BAG SYSTEM.
  2. Measure resistance between passenger-side seat belt pretensioner squib harness connector Yellow/Black wire (circuit PR+) and Yellow wire (circuit PR-). See WIRING DIAGRAMS . If resistance is more than one ohm, repair or replace harness or connector between passenger-side seat belt pretensioner and air bag sensor assembly. If resistance is less than one ohm, go to next step.
  3. Reconnect air bag sensor assembly connector C18 to air bag sensor assembly. Connect jumper wire between passenger-side seat belt pretensioner squib harness connector Yellow/Black wire (circuit PR+) and Yellow wire (circuit PR-). Connect negative battery cable. Wait at least 2 seconds. Turn ignition switch to ACC or ON position. Wait at least 20 seconds. Clear DTCs. See CLEARING CODES  under DIAGNOSIS & TESTING. Turn ignition switch to LOCK position. Wait at least 20 seconds. Turn ignition switch to ACC or ON position. Wait at least 20 seconds. Retrieve DTCs. See RETRIEVING CODES  under DIAGNOSIS & TESTING. If DTC 64 is not displayed, go to next step. If DTC 64 is displayed, replace air bag sensor assembly.
  4. Turn ignition switch to LOCK position. Disconnect negative battery cable. Wait at least 90 seconds. Reconnect passenger-side seat belt pretensioner connector. Connect negative battery cable. Wait at least 2 seconds. Turn ignition switch to ACC or ON position. Wait at least 20 seconds. Clear DTCs. See CLEARING CODES  under DIAGNOSIS & TESTING. Turn ignition switch to LOCK position. Wait at least 20 seconds. Turn ignition switch to ACC or ON position. Wait at least 20 seconds. Retrieve DTCs. See RETRIEVING CODES  under DIAGNOSIS & TESTING. If DTC 64 is not displayed, system is functioning properly at this time. Check for intermittent fault. See AIR BAG WARNING LIGHT INTERMITTENT . If DTC 64 is displayed, replace passenger-side seat belt pretensioner.
scientia non olet · About LEMON Manuals