Lexus ES manuals

Lexus ES: 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 Brake Unavailable" or "Parking Support Brake Unavailable Remove the Dirt of Rear Camera", is displayed on the multi-information display, the PKSB OFF indicator blinks and the parking support brake system control is prohibited as necessary.

(b) If the clearance warning ECU assembly judges that there is foreign matter on an ultrasonic sensor or detection of objects is not possible in severe weather such as snow, the warning message "Parking Support Brake Unavailable" is displayed, the PKSB OFF indicator blinks and control is canceled. The warning message "Parking Support Brake Unavailable" is temporarily displayed and turns off. The PKSB OFF indicator blinks to inform the driver of the malfunction. When detection of an obstacle is possible, the PKSB OFF indicator turns off and the parking support brake system control returns to normal.

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 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the parking support brake system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT

 Operation Check

OPERATION CHECK PKSB OFF INDICATOR LIGHT OPERATION CHECK (a) Turn the power switch on (IG). (b) Turn the parking support brake system off and confirm that the PKSB OFF indicator in the combination met

 Parts Location

PARTS LOCATION ILLUSTRATION *1 FRONT CORNER ULTRASONIC SENSOR RH *2 FRONT CENTER ULTRASONIC SENSOR RH *3 FRONT CENTER ULTRASONIC SENSOR LH *4 FRONT CORNER ULTRASONIC SENSOR LH

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 Control Module Communication Bus OFF (U0073,U0126,U0142,U0182)

DESCRIPTION These DTCs are stored if a CAN communication malfunction occurs between the headlight ECU sub-assembly RH and other ECUs. for LED Type Turn Signal Light DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U0073 Control Module Communication Bus OFF

 Adjustment

ADJUSTMENT CAUTION / NOTICE / HINT *a Centering Bolt *b Standard Bolt HINT: Centering bolts are used to mount the door hinge to the door. The door cannot be adjusted with the centering bolts installed. Substitute the centering bolts with standard bolts when making adjustments. Sp

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