ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT GARAGE DOOR OPENER
2. INSPECT GARAGE DOOR OPENER REGISTRATION AND TRANSMITTING HINT: Use the "HomeLink" tester and a tester transmitter for this test. First clear the customer transmitter codes, and then register the tester transmitter code. Click here (a) Check if the tester transmitter code was successfully registered. HINT:
(c) Press a garage door opener ("HomeLink") switch. Check if the red LED of the "HomeLink" tester illuminates. HINT: If the red LED does not illuminate, replace the inner rear view mirror assembly (garage door opener). Click here (d) When the inspection is complete, register the customer transmitter code(s) again. HINT:
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Hybrid Control System: IGB Signal Circuit Short to Auxiliary Battery (P1CFA12)
DESCRIPTION The hybrid vehicle control ECU monitors the IGB signal received from the certification ECU (smart key ECU assembly). When an error is detected in the IGB signal, this DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P1CFA12 IGB Signal Circui ...