NOTE During testing if DTCs other than DTC B are displayed disregard them

Diagnostic Procedure

1. Disable air bag system. See DISABLING SYSTEM under DISABLING & ACTIVATING AIR BAG SYSTEM.

2. Release shorting spring on air bag sensor assembly connector A21. See RELEASING SHORTING SPRING under DIAGNOSTICS. Measure resistance between Yellow-Red wire (circuit SFR+) and Yellow-Green wire (circuit SFR-) of right-side air bag squib harness connector. 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 squib harness connector and air bag sensor assembly.

3. Reconnect air bag sensor assembly connector A21 to air bag sensor assembly. Connect negative battery cable. Wait at least 2 seconds. Turn ignition switch to ON position. Wait at least 20 seconds. Clear DTCs. See CLEARING CODES under DIAGNOSTICS. Turn ignition switch to LOCK position. Wait at least

2001 ACCESSORIES/SAFETY EQUIPMENT Toyota - Air Bag Restraint Systems

20 seconds. Turn ignition switch to ON position. Wait at least 20 seconds. Retrieve DTCs. See RETRIEVING CODES under DIAGNOSTICS. If DTC 43-B0110 is not displayed, go to next step. If DTC 43-B0110 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 squib 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 CODES 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 CODES under DIAGNOSTICS. If DTC 43-B0110 is not displayed, system is functioning properly at this time. Check for intermittent fault. See AIR BAG WARNING LIGHT INTERMITTENT . If DTC 43-B0110 is displayed, replace side air bag module.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

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