Lexus ES manuals

Lexus ES: Diagnosis System

DIAGNOSIS SYSTEM

DESCRIPTION

(a) Sliding roof system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). 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

INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard Voltage:

11 to 14 V

  • If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

READ NEXT:

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Sliding Roof / Trou

 Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. Th

 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Sliding Roof System DTC No. Detection Item Link B2341 Sensor (Motor) Failure B2342 Switch Failure B2343 Position Initialization Incompl

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 Components

COMPONENTS ILLUSTRATION *1 COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY *2 FRONT WIPER ARM AND BLADE ASSEMBLY LH *3 FRONT WIPER ARM AND BLADE ASSEMBLY RH *4 FRONT WIPER ARM HEAD CAP *5 NO. 2 COWL TOP PANEL INSULATOR *6 NO. 3 COWL TOP PANEL INSULATOR *7 WINDSHIELD OUTSI

 Operation Check

OPERATION CHECK CHECK ELECTRICAL REMOTE CONTROL MIRROR FUNCTION (a) Turn the engine switch on (IG). (b) With L on the mirror select switch selected, check that the outer rear view mirror assembly LH surface moves up, down, left and right normally. (c) With R on the mirror select switch selected, che

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