Lexus ES manuals

Lexus ES: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Charging System

Symptom

Suspected Area

Link

Charge warning is displayed

Battery

Generator assembly

Charging system

Charging failure

Generator pulley with clutch

Generator assembly

Noise occurs from V-ribbed belt or generator assembly

V-ribbed belt

Generator pulley with clutch

Generator assembly

READ NEXT:

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS HINT: In troubleshooting, confirm

 System Diagram

SYSTEM DIAGRAM

 Parts Location

PARTS LOCATION ILLUSTRATION *1 GENERATOR ASSEMBLY *2 ECM *3 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - - ILLUSTRATION *1 COMBINATION METER ASSEMBLY

SEE MORE:

 DCM Communication Stop Mode

DESCRIPTION Detection Item Symptom Trouble Area DCM Communication Stop Mode Any of the following conditions are met: Communication stop for "DCM" is indicated on the "Communication Bus Check" screen of the Techstream. Click here Communication stop history for "DCM" is indicated

 Engine Oil Pressure Sensor/Switch "A" Signal Stuck High (P052024,P05202A)

DESCRIPTION Refer to DTC P052012. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P052024 Engine Oil Pressure Sensor/Switch "A" Signal Stuck High The oil pressure sensor output voltage is higher than the threshold value (1 trip detectio

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