Toyota Tacoma (2015-2018) Service Manual: ABS Warning Light does not Come ON

Toyota Tacoma (2015-2018) Service Manual / Brake Control / Dynamic Control Systems / Vehicle Stability Control System(for Hydraulic Brake Booster) / ABS Warning Light does not Come ON

DESCRIPTION

Refer to ABS Warning Light Remains ON (See page WIRING DIAGRAM ).

WIRING DIAGRAM

Refer to ABS Warning Light Remains ON (See page CAUTION / NOTICE / HINT ).

CAUTION / NOTICE / HINT

NOTICE:

When replacing the skid control ECU (master cylinder solenoid), perform calibration (See page ).
Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1.	CHECK CAN COMMUNICATION SYSTEM

GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING)

2.	PERFORM ACTIVE TEST USING TECHSTREAM (ABS WARNING LIGHT)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(d) Enter the following menus: Chassis / ABS/VSC/TRAC / Active Test.

(e) According to the display on the Techstream, perform the Active Test.

ABS/VSC/TRAC

Tester Display	Measurement Item	Control Range	Diagnostic Note
ABS Warning Light	ABS warning light	Warning light OFF/ON	Observe the combination meter. [Vehicle condition] Vehicle stopped

Tester Display

Measurement Item

Control Range

Diagnostic Note

ABS Warning Light

ABS warning light

Warning light OFF/ON

Observe the combination meter.

[Vehicle condition]

Vehicle stopped

(f) When performing the ABS Warning Light Active Test, check ABS Warning Light in the Data List.

ABS/VSC/TRAC

Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
ABS Warning Light	ABS warning light/ ON or OFF	OFF	-

Result

Result	Proceed to
ABS warning light in the Data List does not change using the Active Test	A
ABS warning light in the Data List turns ON/OFF using the Active Test	B

REPLACE MASTER CYLINDER SOLENOID

3.	INSPECT COMBINATION METER ASSEMBLY

(a) Turn the ignition switch off.

(b) Perform Active Test of the combination meter assembly using the Techstream.

OK:

The ABS warning light turns on or off in accordance with the Techstream.

REPLACE MASTER CYLINDER SOLENOID

GO TO METER / GAUGE SYSTEM

Reservoir Level Switch Disconnected (C1453,C1454)

DESCRIPTION The brake fluid level warning switch sends the appropriate signal to the skid control ECU (master cylinder solenoid) when the brake fluid level drops. DTC Code DT ...

ABS Warning Light Remains ON

DESCRIPTION If any of the following is detected, the ABS warning light remains on. The skid control ECU (master cylinder solenoid) connectors are disconnected from the skid control ECU (m ...

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