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

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

 Fail-safe Chart

FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) If a malfunction is detected in the parking support brake system, the warning message "Parking Support Brake Malfunction Visit Your Dealer", "Parking Support Bra

SEE MORE:

 Check Bus 1 Lines for Short Circuit

DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 23 (CA1H) and 8 (CA1L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area Resistance between terminals 23 (CA1H) and 8 (CA

 Engine Coolant Temperature Sensor 1 Circuit Short to Battery or Open (P011515)

DESCRIPTION Refer to DTC P011511. Click here HINT: When DTC P011515 is stored, the ECM enters fail-safe mode. During fail-safe mode, the engine coolant temperature is estimated to be 80°C (176°F) by the ECM. Fail-safe mode continues until a pass condition is detected. DTC No. Detection Item

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