SYSTEM DIAGRAM 
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Hybrid Control System: Lost Communication with Airbag System Control Module Circuit Short to Ground (P310711)
DESCRIPTION The hybrid vehicle control ECU detects a problem in the collision signal line from the airbag ECU assembly and alerts the driver. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P310711 Lost Communication with Airbag System Control Module Circuit Short to ...
