CAUTION / NOTICE / HINT HINT:
PROCEDURE
HINT:
(a) Measure the auxiliary battery voltage with the power switch off. Standard Voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step. (b) Check the fuses and relays. (c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc. (d) Check the vehicle specifications.
(a) Using the Techstream, check for CAN communication system DTCs. Click here
(a) Refer to Problem Symptoms Table. Click here
(a) Operation Check Click here (b) Terminals of ECU Click here (c) Data List / Active Test Click here (d) On-vehicle Inspection
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: Mass or Volume Air Flow Sensor "A" Circuit Short to Battery (P010012,P010014)
DESCRIPTION The mass air flow meter sub-assembly is a sensor that measures the intake air volume using the following built-in components: By-pass duct (allows some of the intake air to flow past a silicon chip sensor) Silicon chip sensor (uses a heater control bridge circuit and temperature sensor b ...