DESCRIPTION In this circuit, the combination meter assembly receives engine rpm data signal from the hybrid vehicle control ECU via CAN communication. The combination meter assembly displays the engine speed calculated based on the data received from the hybrid vehicle control ECU. WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Check if CAN communication DTCs are output. Click here
(a) Check if hybrid control system DTCs are output. Powertrain > Hybrid Control > Trouble Codes
(a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Hybrid Control / Data List. (e) Read the Data List according to the display on the Techstream. Powertrain > Hybrid Control > Data List
OK: Engine speed displayed on the Techstream is almost the same as the tachometer indication.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Hybrid Control System: Hybrid/EV Battery "A" Voltage Sensor Voltage Out of Range (P0B231C)
DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU detects a VB sensor malfunction. The cause of this malfunction may be one of the following: Battery voltage sensor VB sensor internal circuit malfunction Battery voltage sensor malfunction Communication (wire harness) malfunction Hig ...