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Home >> Toyota >> 2003 >> RAV4 Base, AWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Air Bag Restraint Systems) >> Diagnostic Tests >> DTC B0112/41: Short To Ground In Right Side Air Bag Module Squib Circuit >> Diagnostic Procedure
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Diagnostic Procedure

WARNING: This page is about a different car, the 2003 Toyota 4Runner. 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. Access air bag sensor assembly and disconnect right harness connector. See AIR BAG SENSOR ASSEMBLY  under REMOVAL & INSTALLATION. Access right side air bag module and disconnect right side air bag module harness connector. See SIDE AIR BAG MODULE  under REMOVAL & INSTALLATION. Measure resistance in Yellow/Red wire (circuit SFR+) between ground and harness side of right side air bag module harness connector. See WIRING DIAGRAMS . If resistance is more than one megohm, go to next step. If resistance is less than one megohm, repair or replace harness or connector between right side air bag module and air bag sensor assembly.
  2. Reconnect air bag sensor assembly right harness connector. Connect jumper wire between Yellow/Red wire and Yellow/Green wire (circuit SFR-) on harness side of right side air bag module harness connector. Connect negative battery cable. Wait at least 2 seconds. Turn ignition switch to ON position. Wait at least 20 seconds. Clear DTCs. See CLEARING DTCS  under DIAGNOSTICS. Turn ignition switch to LOCK position. Wait at least 20 seconds. Turn ignition switch to ON position. Wait at least 20 seconds. Retrieve DTCs. See RETRIEVING DTCS  under DIAGNOSTICS. If DTC 41/B0112 is not displayed, go to next step. If DTC 41/B0112 is displayed, replace air bag sensor assembly.
  3. Turn ignition switch to LOCK position. Disconnect negative battery cable. Wait at least 90 seconds. Reconnect right side air bag module harness connector. Connect negative battery cable. Wait at least 2 seconds. Turn ignition switch to ON position. Wait at least 20 seconds. Clear DTCs. See CLEARING DTCS  under DIAGNOSTICS. Turn ignition switch to LOCK position. Wait at least 20 seconds. Turn ignition switch to ON position. Wait at least 20 seconds. Retrieve DTCs. See RETRIEVING DTCS  under DIAGNOSTICS. If DTC 41/B0112 is not displayed, go to next step. If DTC 41/B0112 is displayed, replace right side air bag module.
  4. Check for intermittent air bag system fault. See AIR BAG WARNING LIGHT INTERMITTENT . If AIR BAG warning light illuminates while checking for intermittent fault, go to step  1. If AIR BAG warning light does not illuminate while checking for intermittent fault, replace all air bag system components, including wiring harness.
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