Lexus ES manuals

Lexus ES: Diagnosis System

DIAGNOSIS SYSTEM

DESCRIPTION

(a) Power window control 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.

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 / (desired system) / T

 Fail-safe Chart

FAIL-SAFE CHART PULSE FAILURE (a) If a pulse sensor built into the power window regulator motor assembly malfunctions, the following power window operations will be prohibited. Multiplex Network Maste

 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

SEE MORE:

 Pressure Control Solenoid "C" Circuit Short to Ground or Open (P079514)

DESCRIPTION Refer to DTC P079512. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P079514 Pressure Control Solenoid "C" Circuit Short to Ground or Open While the vehicle is being driven so that gear changes occur, a short to ground or o

 Brake System (C1A50)

DESCRIPTION When an electronically controlled brake system malfunction signal sent from the skid control ECU is detected by the clearance warning ECU assembly, DTC C1A50 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A50 Brake System When the engine switch

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