Lexus ES manuals

Lexus ES: Diagnosis System

DIAGNOSIS SYSTEM

DESCRIPTION

(a) Blind spot monitor data and Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.

CHECK DLC3

(a) Check the DLC3.

Click here

DIAGNOSIS FUNCTION

(a) The blind spot monitor system displays an error message on the multi-information display to inform the driver that the system is unavailable either temporarily or due to a malfunction.

  • When the system is unavailable temporarily:

    Multi-information display displays "Blind Spot Monitor Unavailable".

  • When the system is unavailable due to a malfunction:

    Multi-information display displays "Blind Spot Monitor Malfunction Visit Your Dealer".

ABNORMALITY HISTORY

HINT:

The abnormality history for a blind spot monitor sensor can be displayed or cleared.

(a) Check abnormality history

(1) Connect the Techstream to the DLC3.

(2) Turn the engine switch on (IG).

(3) Turn the Techstream on.

(4) Turn the blind spot monitor system on.

(5) Enter the following menus: Body Electrical / Blind Spot Monitor Master or Blind Spot Monitor Slave / Utility / BSM Master Abnormal History or BSM Slave Abnormal History.

Body Electrical > Blind Spot Monitor Master > Utility

Tester Display

BSM Master Abnormal History

Body Electrical > Blind Spot Monitor Slave > Utility

Tester Display

BSM Slave Abnormal History

(6) Check the results displayed for the abnormality history check.

HINT:

  • If "Yes" is displayed, check the suspected area column for each item.
  • Abnormality history is stored only for the blind spot monitor sensor for which an abnormality has been detected.
  • If "No" is displayed, refer to Problem Symptoms Table.

    Click here

Abnormality History Table

Tester Display

Item Explanation

Suspected Area

History of Module Blockage

History of blind spot monitor sensor detection problems due to snow, rain, etc. on the bumper

  • Check if a bumper compatible with the blind spot monitor (such as an original equipment bumper) is installed
  • Check if any foreign matter is attached to the bumper
  • Check if any foreign matter is present between the bumper and sensors

History of Low Voltage

History of low supply battery voltage from battery to the blind spot monitor sensor

Power Source Circuit

Click here

History of High Voltage

History of high supply battery voltage from battery to the blind spot monitor sensor

History of Low Temperature

History of low temperature for the blind spot monitor sensor

  • Check the outside temperature
  • Check if any foreign matter is attached to the blind spot monitor sensors and their surrounding areas

History of High Temperature

History of high temperature for the blind spot monitor sensor

(b) Clearing abnormality history

(1) Connect the Techstream to the DLC3.

(2) Turn the engine switch on (IG).

(3) Turn the Techstream on.

(4) Turn the blind spot monitor system on.

(5) Enter the following menus: Body Electrical / Blind Spot Monitor Master or Blind Spot Monitor Slave / Utility / BSM Master Abnormal History or BSM Slave Abnormal History.

Body Electrical > Blind Spot Monitor Master > Utility

Tester Display

BSM Master Abnormal History

Body Electrical > Blind Spot Monitor Slave > Utility

Tester Display

BSM Slave Abnormal History

(6) Clear the abnormality history.

READ NEXT:

 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Blind Spot Monitor System DTC No. Detection Item Link C1A45 Vehicle Speed Sensor C1A45 Vehicle Speed Sensor C1A46 Yaw Rate Sensor

 Freeze Frame Data

FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever DTCs are detected, the blind spot monitor sensor stores the current vehicle (sensor) state as freeze frame data. CHECK FREEZE FRAME DATA (a) Connect th

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the blind spot monitor system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT

SEE MORE:

 Hybrid/EV Battery Precharge Contactor Circuit Short to Auxiliary Battery or Open (P0AE415)

DESCRIPTION Refer to the description for DTC P0AE411. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P0AE415 Hybrid/EV Battery Precharge Contactor Circuit Short to Auxiliary Battery or Open Open or short to +B in SMRP circuit: Prima

 System Description

SYSTEM DESCRIPTION DISC PLAYER OUTLINE (a) A disc player uses a laser pickup to read digital signals recorded on a disc. By converting the digital signals to analog, it can play music and audio. CAUTION: Do not look directly at the laser pickup because the disc player uses an invisible laser beam. B

© 2016-2024 Copyright www.lexguide.net