Lexus ES manuals

Lexus ES: Diagnosis System

DIAGNOSIS SYSTEM

DESCRIPTION

(a) Parking support brake system 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 to repair them.

CHECK DLC3

(a) Check the DLC3.

Click here

DESCRIPTION

(a) When the parking support brake system is unavailable either temporarily or due to a malfunction, a warning message is displayed on the multi-information display.

Multi-information Display Warning Message

Warning Message

Proceed to

"Parking Support Brake Malfunction Visit Your Dealer"

"Parking Support Brake Unavailable"

"Parking Support Brake Unavailable Remove the Dirt of Rear Camera" (w/ Panoramic View Monitor System)

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 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Parking Support Brake System DTC No. Detection Item Link C1625 Open or Short in Steering Angle Sensor +B C1626 Steering Angle Sensor Failure

 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Parking Support Brake System DTC No. Detection Item Link C1625 Open or Short in Steering Angle Sensor +B C1626 Steering Angle Sensor Failure

 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 parking support brake system on. (d) Turn the Techstream on. (e) Enter the following

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 Hybrid/EV Battery Control System Over Temperature (P30004B)

DESCRIPTION The battery ECU assembly monitors the temperature of the HV battery to detect if it becomes excessively high. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P30004B Hybrid/EV Battery Control System Over Temperature The battery ECU as

 Vehicle Behavior Chart

VEHICLE BEHAVIOR CHART VEHICLE BEHAVIOR CHART (a) Vehicle behavior categorized by DTC If a DTC is output, the vehicle behaves as follows. DTC No. Detection Item Vehicle Behavior when DTC is Output P056014 System Voltage (BATT) Circuit Short to Ground or Open Normal driving P060629

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