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

SEE MORE:

 Check Bus 2 Line for Short to +B

DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when there is no resistance between terminal 18 (CA4H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 17 (CA4L) of the central gateway ECU (network gateway ECU) and termi

 On-vehicle Inspection

ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT HINT: Water Pump Construction Evaporation Port and Drain Plug: *1 Evaporation Port *2 Mechanical Seal *3 Fluid Catch Pocket *4 Drain Plug *a Typical Water Pump Assembly - - Water Pump Mechanical Seal The water pum

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