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.
Tire Pressure Warning System

Symptom

Suspected Area

Link

Tire pressure warning light does not illuminate despite tire pressure decreasing

Initialization

Check Data List (ID Tire Inflation Pressure)

ID code check (Registration)

Tire pressure warning light remains illuminated (Goes off during initial check)

Tire pressure warning light circuit

Tire pressure warning light remains illuminated (Illuminates during initial check)

Check Data List (ID Tire Inflation Pressure)

Tire pressure adjustment

ID code check (Registration)

Initialization

Initialization cannot be done

Tire pressure warning reset switch

Tire position not identified

Refer to "Tire position not identified".

Cannot switch to automatic ID registration mode

Refer to "Cannot switch to automatic ID registration mode".

READ NEXT:

 Terminals Of Ecu

TERMINALS OF ECU CHECK TIRE PRESSURE WARNING ECU AND RECEIVER (a) Disconnect the N8 tire pressure warning ECU and receiver connector and measure the voltage or resistance on the wire harness side.

 Diagnosis System

DIAGNOSIS SYSTEM CHECK WARNING LIGHT NOTICE: When there is a problem with the tire pressure warning system, the tire pressure warning light blinks at 0.5 second intervals, and illuminates after 1 m

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (for TIRE PRESSURE WARNING ECU AND RECEIVER) (a) Turn the engine switch off. (b) Connect the Techstream to the DLC3. (c) Turn the engine switch on (IG). (d) Turn the Techst

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 AV Signal Stoppage (Low Battery Voltage) (B158F)

DESCRIPTION This DTC is stored when a video or audio signal is interrupted due to auxiliary battery voltage input to the radio receiver assembly dropping temporarily. DTC No. Detection Item DTC Detection Condition Trouble Area B158F AV Signal Stoppage (Low Battery Voltage) A video o

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the luggage compartment door opener system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS HINT: In troubleshooting, confirm that

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