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 power 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.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Front Power Seat Control System(for Gasoline Model With Memory): Wireless Transmitter Memory Function does not Operate
DESCRIPTION With the engine switch on (IG) and the driver door closed, pressing the manual lock or unlock switch on the multiplex network master switch assembly while holding a seat memory switch (M1 or M2 switch) will register the transmitter recognition code into the seat memory switch that was pr ...