Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Components

Hybrid Transaxle Oil Seal

Replacement

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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Hybrid Control System: Hybrid/EV Battery Voltage Isolation Sensor Circuit Internal Electronic Failure (P0AA749)
DESCRIPTION The hybrid vehicle control ECU monitors the insulation monitoring circuit located in the battery voltage sensor and detects malfunctions. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P0AA749 Hybrid/EV Battery Voltage Isolation Sensor Circuit Internal E ...