Toyota CH-R Service Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Immobiliser System

DTC No.

Detection Item

Link

B2780

Push Switch / Key Unlock Warning Switch Malfunction

B2784

Antenna Coil Open / Short

B2793

Transponder Chip Malfunction

B2794

Unmatched Encryption Code

B2795

Unmatched Key Code

B2796

No Communication in Immobiliser System

B2797

Communication Malfunction No. 1

B2798

Communication Malfunction No. 2

B2799

Engine Immobiliser System Malfunction

B279A

Theft Deterrent System Communication Line High Fixation

B279C

Theft Deterrent System Presence Detection

    Theft Deterrent System Presence Detection (B279C)
    DESCRIPTION If an ECM that is incompatible with the immobiliser system is installed, the ECM stores this DTC. DTC No. Detection Item DTC Detection Condition ...

    Theft Deterrent System Communication Line High Fixation (B279A)
    DESCRIPTION If the communication line (EFIO-IMI) to the transponder key ECU assembly is stuck high (e.g. shorted to +B), the ECM stores this DTC. DTC No. Detection Item ...

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