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

Toyota Tacoma (2015-2018) Service Manual / Cruise Control / Cruise Control System(for 2gr-fks) / Brake Switch "A" Circuit Open (P057113)

DESCRIPTION

DTC No.	DTC Detection Condition	Trouble Area	MIL	Note
P057113	Vehicle Condition: Cruise control operating Malfunction Status: Stop light switch assembly circuit malfunction	VSC system ECM	Does not come on	SAE: P0571

CAUTION / NOTICE / HINT

NOTICE:

First check the CAN communication systems by following How to Proceed with Troubleshooting. After checking that there are no malfunctions in the CAN communication system, proceed to troubleshooting (See page PROCEDURE ).

PROCEDURE

1.	CHECK FOR DTC (VEHICLE STABILITY CONTROL SYSTEM)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch on.

(d) Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.

(e) Check for DTCs (See page OK: ).

OK:

Vehicle stability control system DTCs are not output.

Result

Result	Proceed to
OK	A
NG (for Hydraulic Brake Booster)	B
NG (for Vacuum Brake Booster)	C

GO TO VEHICLE STABILITY CONTROL SYSTEM

2.	CHECK FOR DTC (CRUISE CONTROL SYSTEM)

(a) Clear the DTCs (See page (b) Perform the following to make sure that the DTC detection conditions are ).

(b) Perform the following to make sure that the DTC detection conditions are met.

HINT:

If the detection conditions are not met, the malfunction cannot be detected.

(1) Drive the vehicle at a speed for which cruise control operation is possible.

(2) Turn the cruise control system on using the cruise control main switch (ON/OFF).

(3) Push the cruise control main switch to -SET to begin control of vehicle speed using the cruise control system.

OK:

DTC P057113 is not output

USE SIMULATION METHOD TO CHECK

REPLACE ECM

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