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Diagnostic Procedure

WARNING: This page is about a different car, the 2002 Toyota Celica. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch to LOCK position. Disconnect negative battery cable. Wait at least 90 seconds. Access and disconnect air bag sensor assembly connector C6 (center connector). See Figure. See AIR BAG SENSOR ASSEMBLY  under REMOVAL & INSTALLATION.
  2. Measure resistance between ground and air bag sensor assembly connector C6, terminal No. 19 (circuit Tc, Pink/Black wire). See Figure. If resistance is one megohm or more, replace air bag sensor assembly. If resistance is less than one megohm, replace harness and connector.
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