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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 458 (Engine Immobilizer System - Diagnosis) >> Circuit Inspection >> DTC B2797 Communication Malfunction No. 1 >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

This DTC is detected when an error occurs, although the communication has been performed normally (Example. Some noise is included in communication line.).

DTC CONDITION DETECTION CHART

DTC No. DTC Detecting Condition Trouble Area
B2797 Communication error
  • Key
  • Wire harness
  • Transponder Key Amplifier (w / coil)
  • Transponder Key ECU