Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Brake Switch "A" Circuit Open (P057113)

DESCRIPTION

When the brakes are applied by the dynamic radar cruise control system, the skid control ECU (master cylinder solenoid)*1 or skid control ECU (brake actuator assembly)*2 operates the stop light switch assembly (stop light relay) to illuminate the stop lights.

If the ECM receives a stop light switch control relay malfunction signal from the skid control ECU (brake actuator assembly), DTC P057113 is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

P057113

Brake Switch "A" Circuit Open

While the vehicle speed is 36 km/h (22 mph) or more and the dynamic radar cruise control system is operating, the ECM detects the stop light switch control relay malfunction signal from the skid control ECU (master cylinder solenoid)*1 or skid control ECU (brake actuator assembly)*2 for approximately 0.5 seconds or more.

Pre-collision system

Does not come on

  • *1: for Hydraulic Brake Booster
  • *2: for Vacuum Brake Booster

CAUTION / NOTICE / HINT

HINT:

When DTC P057113 is stored by the dynamic radar cruise control system, DTC C1A4B is stored by the pre-collision system. Therefore, if DTC P057113 is stored, inspect the pre-collision system first.

PROCEDURE

1.

GO TO PRE-COLLISION SYSTEM

Click here

NEXT

END

Radar Cruise Control Presence Determination Malfunction (Engine / HV) (C1A52)
DESCRIPTION DTC C1A52 is stored when the ECM cannot recognize the millimeter wave radar sensor assembly. DTC No. Detection Item DTC Detection Condition ...

Front Radar Sensor (C1A10)
DESCRIPTION C1A10 is output when there is an internal malfunction in the millimeter wave radar sensor assembly. DTC No. Detection Item DTC Detection Condition ...

Other materials:

Some Alarm Functions do not Operate
DESCRIPTION When the alarm sounds, the following alarm functions operate: the roof console box assembly and No. 1 room light assembly illuminates, and the headlights, taillights and hazard lights flash, and the security horn and vehicle horn sound intermittently. WIRING DIAGRAM CAUTION / ...

If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs adjustment or repair. Contact your Toyota dealer as soon as possible. ■ Visible sympt ● Fluid leaks under the vehicle (Water dripping from the air conditioning after use is normal.) ● Flat-looking tires ...

System Description
SYSTEM DESCRIPTION 1. LIN COMMUNICATION SYSTEM DESCRIPTION The LIN communication system is used for communication between the components in the tables below. If communication cannot be performed through LIN communication because of an open in the communication lines or other reasons, the maste ...

В© 2011-2024 Copyright www.ttguide.net