Lexus ES: 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 following menus: Body Electrical / Advanced Parking Guidance/ICS/Intuitive P/A / Trouble Codes.
(f) Check for DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes
CLEAR 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 following menus: Body Electrical / Advanced Parking Guidance/ICS/Intuitive P/A / Trouble Codes.
(f) Clear the DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs
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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
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the parking support brake system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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OPERATION CHECK PKSB OFF INDICATOR LIGHT OPERATION CHECK (a) Turn the engine switch on (IG). (b) Turn the parking support brake system off and confirm that the PKSB OFF indicator in the combination me
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DESCRIPTION When an internal malfunction is detected in the certification ECU (smart key ECU assembly), this DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area B278C Lost Communication with Power Source Control An internal malfunction occurs in the certificat
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