Lexus ES: Brake System (P157800)

Lexus ES (XZ10) Service Manual / Engine & Hybrid System / Cruise Control / Dynamic Radar Cruise Control System (for Gasoline Model) / Brake System (P157800)

DESCRIPTION

When a malfunction in the electronically controlled brake system is detected, DTC P157800 is stored.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	DTC Output from
P157800	Brake System	When the engine switch is on (IG) and the dynamic radar cruise control system is operating, a malfunction in the electronically controlled brake system is detected for 0.2 seconds or more.	Electronically controlled brake system	Does not come on	ECM

PROCEDURE

1.	GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM

HINT:

If DTC P157800 is output by the dynamic radar cruise control system, perform troubleshooting for the electronically controlled brake system.

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END

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DESCRIPTION DTC B2250 is stored when there is a malfunction in the closer pulse sensor circuit of the luggage door closer assembly and when a normal waveform is not input for the closer pulse during power trunk lid operation. DTC No. Detection Item DTC Detection Condition Trouble Area B

Components

COMPONENTS ILLUSTRATION *1 NO. 1 SWITCH WIRE *2 SHIFT PADDLE SWITCH (TRANSMISSION SHIFT SWITCH ASSEMBLY) *3 STEERING PAD SWITCH ASSEMBLY *4 STEERING WHEEL ASSEMBLY *5 SHIFT PADDLE SWITCH LH (TRANSMISSION SHIFT SWITCH ASSEMBLY) *6 SHIFT PADDLE SWITCH RH (TRANSMISSION SHI

Lexus ES: Brake System (P157800)

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