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.
Entire System

Symptom

Suspected Area

Link

System does not operate at all

Proceed to "Power Source Circuit"

CAN communication system

Meter / gauge system

Steering pad switch assembly

Spiral with sensor cable sub-assembly

Blind spot monitor sensor RH

System cannot be turned off

CAN communication system

Meter / gauge system

Spiral with sensor cable sub-assembly

Blind spot monitor sensor RH

"Blind Spot Monitor Unavailable" or "Blind Spot Monitor System Malfunction Visit Your Dealer" is displayed on the multi-information display

Check abnormality history

Blind spot monitor sensor RH

Blind spot monitor sensor LH

Combination meter assembly

Blind Spot Monitor Function

Symptom

Suspected Area

Link

Outer rear view mirror indicator RH does not illuminate

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

Outer mirror RH

Outer mirror control ECU assembly RH

Outer rear view mirror assembly RH

Blind spot monitor sensor RH

Outer rear view mirror indicator LH does not illuminate

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

Outer mirror LH

Outer mirror control ECU assembly LH

Outer rear view mirror assembly LH

Blind spot monitor sensor LH

Outer rear view mirror indicator RH remains illuminated

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

Blind spot monitor sensor RH

Outer rear view mirror indicator LH remains illuminated

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

Blind spot monitor sensor LH

Outer rear view mirror indicator RH does not flash

Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section

Blind spot monitor sensor RH

Outer rear view mirror indicator LH does not flash

Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section

Blind spot monitor sensor LH

Outer rear view mirror indicator RH continues to flash

Blind spot monitor sensor RH

Outer rear view mirror indicator LH continues to flash

Blind spot monitor sensor LH

READ NEXT:

 System Description

SYSTEM DESCRIPTION GENERAL (a) The blind spot monitor system has a blind spot monitor function. (1) Blind spot monitor function The blind spot monitor function is a function that assists the driver

 System Diagram

SYSTEM DIAGRAM

 Terminals Of Ecu

TERMINALS OF ECU BLIND SPOT MONITOR SENSOR RH Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition R4-4 (OMIR) - R4-10 (BRGD) SB - W-B Outer rear v

SEE MORE:

 Control Module Communication Bus Off (U0073,U0100,U0110,U0120,U0124,U0126,U0128,U0151,U0293)

DESCRIPTION The airbag ECU assembly has a built-in yaw rate and acceleration sensor and detects the vehicle condition using 2 circuits (GL1, GL2). The skid control ECU (brake booster with master cylinder assembly) receives signals from the hybrid vehicle control ECU, steering angle sensor, certifica

 On-vehicle Inspection

ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: To prevent injury due to contact with an operating V-ribbed belt or cooling fan, keep your hands and clothing away from the V-ribbed belt and cooling fans when working in the engine compartment with the engine running or the engine switch on

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