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.
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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:
If any of the following warning lights turns on/flashes, the system may
have a malfunction. Contact your Toyota dealer to have your vehicle
inspected.
ABS Warning Light
When the engine is jump-started to charge the battery, uneven rpm occurs
and the ABS warning light may illuminate...
PARTS LOCATION ILLUSTRATION
*1 REAR WINDOW DEFOGGER WIRE (BACK DOOR GLASS) *2 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 ENGINE ROOM JUNCTION BLOCK ASSEMBLY - ECU-IGP NO. 3 FUSE ILLUSTRATION
*1 AIR CONDITIONING CONTROL ASSEMBLY *2 AIR CONDITIONING AMPLIFIER ASSEMBLY *3 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *4 POWER DISTRIBUTION BOX ASSEMBLY - ECU-B NO...
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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