Lexus ES: Front Acceleration Sensor
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Components
COMPONENTS ILLUSTRATION *A for LH Side - - *1 COWL SIDE TRIM BOARD LH *2 FRONT DOOR OPENING TRIM COVER LH *3 FRONT DOOR SCUFF PLATE LH *4 INSTRUMENT SIDE PANEL LH *5
Removal
REMOVAL PROCEDURE 1. REMOVE FRONT DOOR SCUFF PLATE LH (for LH Side) Click here 2. REMOVE COWL SIDE TRIM BOARD LH (for LH Side) Click here 3. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBL
Inspection
INSPECTION PROCEDURE 1. INSPECT ACCELERATION SENSOR ASSEMBLY (a) Connect 3 1.5 V dry cell batteries in series. (b) Connect a positive (+) lead from the batteries to terminal 3 and a negative (-) lead
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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
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communication system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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