Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Diagnostic Trouble Code Chart

Diagnosis System

Driver Side Power Mirror cannot be Adjusted with Power Mirror Switch

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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Smart Key System(for Start Function, Hv Model): Engine Immobiliser System Circuit Short to Battery (B279A12)
DESCRIPTION If the communication line (IMI - EFIO) between the hybrid vehicle control ECU and certification ECU (smart key ECU assembly) is stuck high, the hybrid vehicle control ECU will store this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area Note B279A12 Engine Immobiliser Syst ...