DESCRIPTION This circuit sends an operation signal from the steering pad switch assembly to the radio and display receiver assembly. If there is an open in the circuit, the audio system cannot be operated using the steering pad switch assembly. If there is a short in the circuit, the same condition as when a switch is continuously depressed occurs. Therefore, the radio and display receiver assembly cannot be operated using the steering pad switch assembly, and the radio and display receiver assembly itself will not function. WIRING DIAGRAM  CAUTION / NOTICE / HINT NOTICE: The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System. Click here PROCEDURE
(a) Disconnect the G3 radio and display receiver assembly connector. (b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Remove the steering pad switch assembly. Click here (b) Inspect the steering pad switch assembly. Click here
(a) Remove the spiral cable sub-assembly. Click here (b) Inspect the spiral cable sub-assembly. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Outer Rear View Mirror: Inspection
INSPECTION PROCEDURE 1. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH (w/o Panoramic View Monitor System) (a) Check the operation of the mirror surface. NOTICE: If the mirror surface is fully turned to the right, left, upward or downward position, the motor slips and produces a clicking noise. This is ...
