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.

Symptom

Suspected Area

Link

Electric parking brake does not operate

Proceed to "Electric Parking Brake does not Operate"

Parking brake indicator light does not illuminate (red) or turn off when parking brake is manually engaged and disengaged

Proceed to "Electric Parking Brake does not Operate"

Electric parking brake AUTO function (shift-linked function) does not operate (shift-linked parking brake does not lock or release)

Proceed to "Electric Parking Brake AUTO Function Circuit"

Message not displayed on multi-information display when AUTO function set to ON/OFF

Proceed to "Message Not Displayed on Multi-information Display When AUTO Function Set to ON/OFF"

Brake warning light (Yellow) remains on

Proceed to "Brake Warning Light (Yellow) Remains On"

READ NEXT:

 System Diagram

SYSTEM DIAGRAM

 Terminals Of Ecu

TERMINALS OF ECU CHECK SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) *a Front view of wire harness connector (to Skid Control ECU (Brake Actuator Assembly)) - - (a) Disconnect the A40 skid c

 Test Mode Procedure

TEST MODE PROCEDURE REAR BRAKE PAD REPLACEMENT MODE *1 Rear Disc Brake Piston *2 Nut *a The nut moves inward in pad replacement mode HINT: When replacing the rear disc brake pad a

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 RL Speed Sensor Wrong Installation (X0453)

DESCRIPTION Code Tester Display Measurement Item Trouble Area X0453 RL Speed Sensor Wrong Installation History of rear speed sensor LH being installed incorrectly Rear Speed Sensor LH PROCEDURE 1. CHECK FOR DTCs (HEALTH CHECK) (a) Perform the Health Check using the Tec

 Initialization Switch Error (for Test Diagnosis) (C2198)

DESCRIPTION The switch circuit inside the combination meter assembly turns on and off according to the steering pad switch assembly operation. During test mode, the tire pressure warning light blinks at 0.125 second intervals when "Set Pressure" is selected on the multi-information display, and illu

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