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DTC B2271: IGN Relay Control Circuit [11/2021 - ]: Description

DTC No. Detection Item DTC Detection Condition
B2271 IGN Relay Control Circuit When the system judges the malfunction (difference between output value and monitoring result) 3 times continuously, during power supply status transition from ACC ON → ignition switch ON (initial check), or with 1-second interval check while the ignition switch is ON (periodical check).

Trouble symptom: 

  1. Not all functions operate at IGN ON.
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