Lexus ES manuals

Lexus ES: Problem Symptoms Table

Lexus ES (XZ10) Service Manual / Vehicle Exterior / Exterior Panels / Trim / Grille Shutter System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

NOTICE:

  • Before performing troubleshooting, change the grille shutter control mode to maintenance mode.

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  • If the swing grille actuator assembly has been replaced with a new one, perform initialization and change the grille shutter control mode.

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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

Grille shutter does not operate

Proceed to "Grille Shutter does not Operate"

Abnormal noise occurs during grille shutter operation

Check for ice, etc. around the shutters and links

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Swing grille actuator assembly

Radiator shutter sub-assembly

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 Terminals Of Ecu

TERMINALS OF ECU CHECK SWING GRILLE ACTUATOR ASSEMBLY (a) Disconnect the z23 swing grille actuator assembly connector. (b) Measure the voltage and resistance according to the value(s) in the table be

 Diagnosis System

DIAGNOSIS SYSTEM DESCRIPTION (a) Grille shutter system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunc

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / (desired system) / T

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 Wheel Speed Sensor Malfunction (C164D)

DESCRIPTION This DTC is stored when the parking assist ECU receives a wheel speed sensor (front speed sensor RH or front speed sensor LH, rear speed sensor RH or rear speed sensor LH) abnormality signal from the electronically controlled brake system via CAN communication. This DTC is stored wh

 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Lane Control System DTC No. Detection Item Link C1A7496 Steering Vibrator Component Internal Failure U012587 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message U012687 Lost Communication with Steering Angle S

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