Lexus ES: Brake System (P157800)
Lexus ES (XZ10) Service Manual / Engine & Hybrid System / Cruise Control / Dynamic Radar Cruise Control System (for Hv 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 power 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 | Hybrid vehicle control ECU |
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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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 *5 REAR CORNER ULTRASONIC SENSOR RH *6 REAR CENTER ULTRASONIC SENSOR RH *7 REAR CENTER U
Components
COMPONENTS ILLUSTRATION *A w/ Silencer Sheet - - *1 FUEL PUMP CONTROL ECU *2 FUEL PUMP CONTROL ECU BRACKET *3 REAR SEAT SIDE GARNISH LH *4 REAR DOOR SCUFF PLATE LH *5 ROOM PARTITION PANEL INSULATOR *6 NO. 2 ROOM PARTITION PANEL SILENCER SHEET N*m (kgf*c
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