Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: 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 ).
  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1.

CHECK CAN COMMUNICATION SYSTEM

NG

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

OK

2.

PERFORM ACTIVE TEST USING TECHSTREAM (ABS WARNING LIGHT)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream 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

(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

A

REPLACE MASTER CYLINDER SOLENOID

B

3.

INSPECT COMBINATION METER ASSEMBLY

(a) Turn the ignition switch off.

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

(c) Check the combination meter assembly.

OK:

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

OK

REPLACE MASTER CYLINDER SOLENOID

NG

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 ...

Other materials:

Precaution
PRECAUTION IGNITION SWITCH EXPRESSIONS (a) The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used in this section. Expression Ignition Switch (Position) Engine Swi ...

Rear Right Sensor Malfunction (C1AE9)
DESCRIPTION The No. 1 ultrasonic sensor (rear corner sensor RH) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (rear corner sensor RH). If the No. 1 ultrasonic sensor (rear corner sensor RH) has an open circuit or other ma ...

Ambient Temperature Sensor Circuit (B1412)
DESCRIPTION The ambient temperature sensor is installed in front of the condenser to detect the ambient temperature which is used to control the air conditioning system AUTO mode. This sensor is connected to the air conditioning amplifier assembly and detects fluctuations in the ambient tempe ...

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