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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 79 (Air Bag Restraint Systems) >> Diagnostic Tests >> DTC 42/B0113: Short To Battery In Right-Side Air Bag Module Squib Circuit >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2002 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disable air bag system. See DISABLING SYSTEM  under DISABLING & ACTIVATING AIR BAG SYSTEM. Reconnect negative battery cable.
  2. Measure voltage between ground and right-side air bag module harness connector Yellow/Red wire. See WIRING DIAGRAMS . If voltage is zero volt, go to next step. If voltage is not zero volt, repair or replace harness or connector between right-side air bag module and air bag sensor assembly.
  3. Disconnect negative battery cable. Wait at least 90 seconds. Reconnect air bag sensor assembly connector C6 (right connector). Connect jumper wire between air bag sensor assembly side of right-side air bag module harness connector Yellow/Red wire (circuit SFR+) and Yellow/Green wire (circuit SFR-). 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 DIAGNOSTICS. 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 DIAGNOSTICS. If DTC 42/B0113 is not displayed, go to next step. If DTC 42/B0113 is displayed, replace air bag sensor assembly.
  4. Turn ignition switch to LOCK position. Disconnect negative battery cable. Wait at least 90 seconds. Reconnect right-side air bag module 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 DIAGNOSTICS. 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 DIAGNOSTICS. If DTC 42/B0113 is not displayed, system is functioning properly at this time. Check for intermittent fault. See AIR BAG WARNING LIGHT INTERMITTENT  under DIAGNOSTIC TESTS. If DTC 42/B0113 is displayed, replace side air bag module.
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