DESCRIPTION The main body ECU (multiplex network body ECU) controls the operation of the TAIL relay. WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Main Body / Active Test. (e) Perform the Active Test according to the display on the Techstream. Body Electrical > Main Body > Active Test
OK: Taillights illuminate.
(a) Disconnect the 4K instrument panel junction block assembly connector. (b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
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(a) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Click here (b) Connect a positive (+) lead from the battery to terminal 4K-1. (c) Connect a negative (-) lead from the battery to terminal MB-14 (TRLY). (d) Measure the voltage according to the value(s) in the table below. Standard Voltage:
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Motor Generator Control System: DC/DC Converter Current Sensor Signal Stuck In Range (P0E512A)
DTC SUMMARY MALFUNCTION DESCRIPTION This DTC is stored if the value of the reactor current sensor does not change. The cause of this malfunction may be one of the following: Area Main Malfunction Description Inverter Inverter internal circuit malfunction Malfunction in ECU that controls the inverter ...