Toyota Yaris: Dynamic Radar Cruise Control System / Brake System (P157800)
DESCRIPTION
When a malfunction in the vehicle stability control system is detected, DTC P157800 is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
| P157800 | Brake System | When the ignition switch is ON and the dynamic radar cruise control system is operating, a malfunction in the vehicle stability control system is detected for 0.2 seconds or more. | Vehicle stability control system | Radar Cruise1 |
PROCEDURE
| 1. | GO TO VEHICLE STABILITY CONTROL SYSTEM |
HINT:
If DTC P157800 is output by the dynamic radar cruise control system, perform troubleshooting for the vehicle stability control system.
Click here
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| END |
DESCRIPTION When the ECM detects an internal malfunction, DTC P057504 or P057549 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from P057504 Cruise Control System Internal Failure When the dynamic radar cruise control system is operating, the ECM detects a malfunction in the internal cancel circuit for 0...
DESCRIPTION When the ECM detects that it is not functioning normally, DTC P160700 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from P160700 Cruise Control Input Processor When the ignition switch is ON and control of vehicle speed by the dynamic radar cruise control system is prohibited by the sub-CPU, the dynamic radar cruise control system operates for 0...
Other information:
REMOVAL PROCEDURE 1. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side) (a) Disconnect the camshaft timing oil control solenoid assembly connector.
(b) Remove the 2 bolts and camshaft timing oil control solenoid assembly from the No...
DESCRIPTION The millimeter wave radar sensor assembly performs self-diagnosis to check for misalignment of its beam axis. If misalignment is detected, the millimeter wave radar sensor assembly stores DTC C1A1100. DTC No. Detection Item DTC Detection Condition Trouble Area C1A1100 Front Radar Sensor Optical Axis Misalignment Malfunction When the ignition switch is ON, the millimeter wave radar sensor assembly detects beam axis misalignment
Millimeter wave radar sensor assembly beam axis adjustment
Millimeter wave radar sensor assembly
CAUTION / NOTICE / HINT NOTICE:
When replacing the millimeter wave radar sensor assembly, always replace it with a new one...
Categories
Stop the vehicle completely.
Manual transaxle:
Shift into neutral and set the parking brake.
Automatic transaxle:
Shift the selector lever to the P position and set the parking brake.
Press the push button start to turn off the engine. The ignition position is
off.
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