Toyota CH-R Service Manual: Diagnostic Trouble Code Chart

Toyota CH-R Service Manual / Theft Deterrent / Keyless Entry / Immobiliser System(w/o Smart Key System) / 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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