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: Utility
UTILITY ALL READINESS HINT: With "All Readiness", you can check whether or not the DTC judgment has been completed by using the Techstream. You should check "All Readiness" after simulating malfunction symptoms or for validation after finishing repairs. (a) Connect the Techstream to the DLC3. (b) Tu ...