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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Cruise Control Input Processor (P160700)
DESCRIPTION When the ECM detects that it is not functioning normally, DTC P160700 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from P160700
Cruise Control Input Processor (P160700)
DESCRIPTION When the ECM detects that it is not functioning normally, DTC P160700 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from P160700
Communication Error from VSC to ECM Invalid Serial Data Received (P163081)
DESCRIPTION The skid control ECU (brake actuator assembly) sends signals such as brake request signals to the ECM. If an abnormal signal is detected, the ECM stores DTC P163081. DTC No. Detection
SEE MORE:
Installation
INSTALLATION PROCEDURE 1. INSTALL SUSPENSION TOWER DAMPER (a) Using a union nut wrench, install the suspension tower damper to the vehicle with the 2 nuts. Torque: Specified tightening torque : 35 N·m {357 kgf·cm, 26 ft·lbf} NOTICE: Do not extend or compress the damper. HINT:
Calculate th
Removal
REMOVAL CAUTION / NOTICE / HINT HINT: When removing a name plate or emblem, heat the vehicle body and name plate or emblem using a heat light. Heating Temperature Item Temperature Vehicle Body 40 to 60°C (104 to 140°F) Name Plate or Emblem 20 to 30°C (68 to 86°F) CAUTION:
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