REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during active noise control microphone removal/installation are shown below. Necessary Procedure After Parts Removed/Installed/Replaced (for Gasoline Model)
CAUTION: Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing. Click here
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CAUTION: Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing. Click here
![]() PROCEDURE 1. REMOVE ROOF HEADLINING ASSEMBLY Click here
2. REMOVE ACTIVE NOISE CONTROL MICROPHONE WITH COVER HINT: Use the same procedure for all active noise control microphone with covers.
(b) Disengage the 2 claws to remove the active noise control microphone with cover as shown in the illustration. ![]()
3. REMOVE ACTIVE NOISE CONTROL MICROPHONE HINT: Use the same procedure for all active noise control microphones. (a) Disengage the 2 claws to remove the active noise control microphone from the roof headlining holder cover as shown in the illustration. ![]()
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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 ...