TERMINALS OF ECU CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (a) Disconnect the instrument panel junction block assembly and main body ECU (multiplex network body ECU) connectors. (b) Measure the voltage and resistance according to the value(s) in the table below.
(c) Connect the instrument panel junction block assembly and main body ECU (multiplex network body ECU) connectors. (d) Measure the voltage and resistance, and check for pulses according to the value(s) in the table below.
(1) Waveform 1
HINT: The communication waveform changes according to the surrounding brightness. CHECK COMBINATION METER ASSEMBLY Click here CHECK FORWARD RECOGNITION CAMERA Click here CHECK STEERING SENSOR Click here CHECK HYBRID VEHICLE CONTROL ECU Click here |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Navigation System(for Gasoline Model): No Sound can be Heard from Speakers
PROCEDURE 1. CHECK AUDIO SETTINGS (a) In sound output setting mode, set volume, fader and balance to the initial values and check that the sound is normal. OK: Audio system returns to normal. HINT: Sound quality adjustment measures vary according to the type of amplifier. OK END NG PROCEED TO NEXT S ...