DESCRIPTION The stereo component amplifier assembly receives a vehicle speed signal from the combination meter assembly to control the ASL function. HINT:
WIRING DIAGRAM ![]() PROCEDURE
(a) Check the input waveform. ![]()
(1) Remove the stereo component amplifier assembly with the connector(s) still connected. (2) Connect an oscilloscope to terminal G8-11 (SPD) and body ground. (3) Turn the engine switch on (IG). (4) Turn a wheel slowly. (5) Check the signal waveform according to the condition(s) in the table below.
OK: The waveform is similar to that shown in the illustration. HINT: When the system is functioning normally, one wheel revolution generates 4 pulses. As the vehicle speed increases, the width indicated by (A) in the illustration narrows.
|
Toyota Avalon Service & Repair Manual > Panoramic View Monitor System(for Gasoline Model): Image from Camera for Panoramic View Monitor is Abnormal
DESCRIPTION The display signal from each camera is transmitted to the radio and display receiver assembly via the parking assist ECU. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: When "!" is displayed on the radio and display receiver assembly after the cable is disconnected from the negative (-) ...