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 > Front Camera System(for Hv Model): Vehicle Speed Sensor Circuit (C1AA3)
DESCRIPTION The forward recognition camera receives vehicle speed signals from the skid control ECU (brake booster with master cylinder assembly). If the skid control ECU (brake booster with master cylinder assembly) receives a vehicle speed sensor malfunction signal, it informs the forward recognit ...