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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 82 (Air Bag Restraint Systems) >> Diagnostic Tests >> DTCS Not Displayed Or Continuously Displayed >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2002 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch to ON position. Measure resistance between DLC3, terminals Tc and CG. See Figure. If resistance is less than one ohm, go to next step. If resistance is more than one ohm, repair or replace wiring harness between DLC3 and battery. See WIRING DIAGRAMS .
  2. Measure voltage between ground and DLC3, terminal Tc. If 10-14 volts is present, go to next step. If 10-14 volts is not present, repair or replace wiring harness between DLC3 and battery.
  3. Turn ignition switch to LOCK position. Disconnect negative battery cable. Wait at least 90 seconds. Measure resistance between DLC3, terminals Tc and CG. If resistance is less more than one megohm, replace air bag sensor assembly. If resistance is less than one megohm, repair or replace wiring harness between DLC3 and battery.
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