Toyota Tundra Service Manual: Slip Indicator Light does not Come ON

DESCRIPTION

The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication.

CAUTION / NOTICE / HINT

NOTICE:

When replacing the skid control ECU (brake actuator assembly), perform system variant learning and acceleration sensor zero point calibration.

Click here

PROCEDURE

1.

CHECK CAN COMMUNICATION SYSTEM

(a) Check if CAN communication system DTCs are output.

Click here

Result

Proceed to

DTCs are not output

A

DTCs are output

B

B

INSPECT CAN COMMUNICATION SYSTEM

A

2.

PERFORM ACTIVE TEST USING TECHSTREAM (SLIP INDICATOR LIGHT)

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

ABS/VSC/TRAC

Tester Display

Measurement Item

Control Range

Diagnostic Note

Slip Indicator Light

Slip Indicator light

Indicator light OFF/ON

Observe combination meter assembly

ABS/VSC/TRAC

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Slip Indicator Light

Slip indicator light

ON or OFF

ON: Indicator light on

OFF: Indicator light off

-

(b) Check the operating condition of the slip indicator light when operating it using the Techstream.

Result

Proceed to

Slip Indicator Light in the Data List does not change using the Active Test

A

Slip Indicator Light in the Data List turns ON/OFF using the Active Test

B

A

REPLACE BRAKE ACTUATOR ASSEMBLY

B

3.

INSPECT COMBINATION METER ASSEMBLY

(a) Enter the following menus: Body Electrical / Combination Meter / Active Test.

Click here

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

(c) Check the combination meter assembly.

OK:

The slip indicator light turns on or off in accordance with the Techstream operation.

OK

REPLACE BRAKE ACTUATOR ASSEMBLY

NG

INSPECT METER / GAUGE SYSTEM

    Problem Symptoms Table

    Slip Indicator Light Remains ON

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