Lexus ES manuals

Lexus ES: Diagnosis System

Lexus ES (XZ10) Service Manual / Vehicle Exterior / Sliding Roof / Convertible / Sliding Roof System (for Hv Model) / 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 AUXILIARY BATTERY VOLTAGE

(a) Measure the auxiliary battery voltage with the power switch off.

Standard Voltage:

11 to 14 V

  • If the voltage is below 11 V, recharge or replace the auxiliary 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 power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Sliding Roof / Troub

 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

SEE MORE:

 EPB Switch Malfunction (C13B4)

DESCRIPTION When the electric parking brake switch is pushed, a lock request signal is sent from the parking brake ECU (brake actuator assembly) to the parking brake actuator assembly. When the electric parking brake switch is pulled, a release request signal is sent from the parking brake ECU (brak

 Display Disconnected (B15D6)

DESCRIPTION The multi-display assembly and radio receiver assembly are connected by AVC-LAN communication lines. This DTC is stored when an AVC-LAN communication error occurs between the multi-display assembly and radio receiver assembly. DTC No. Detection Item DTC Detection Condition Troub

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