TERMINALS OF ECU CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (a) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Click here (b) Measure the resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connectors connected.
(c) Reconnect the instrument panel junction block assembly connectors. (d) Measure the resistance and voltage according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector disconnected.
(e) Install the main body ECU (multiplex network body ECU) to instrument panel junction block assembly. Click here (f) Measure the voltage and check for pulses according to the value(s) in the table below.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Meter / Gauge System(for Hv Model): Steering Pad Switch Circuit
DESCRIPTION The combination meter assembly and steering pad switch assembly are connected via direct line. The multi-information display in the combination meter assembly are operated using the switches of the steering pad switch assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: When replacin ...