CAUTION / NOTICE / HINT HINT:
PROCEDURE
HINT:
(a) Measure the battery voltage. Standard Voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the 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.
(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) Inspection
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: Rough Idling
DESCRIPTION Problem Symptom Suspected Area Trouble Area Engine speed fluctuation due to abnormal combustion Idle speed too low or high Strong engine vibration due to above symptoms Ignition malfunction Deviation in air fuel ratio (Excessive or insufficient intake air volume or fuel supply) Insuffici ...