Toyota CH-R 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.

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PROCEDURE

1.

CHECK CAN COMMUNICATION SYSTEM

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

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Result

Proceed to

DTCs are not output.

A

DTCs are output.

B

B

INSPECT CAN COMMUNICATION SYSTEM

A

2.

READ VALUE USING TECHSTREAM (SLIP INDICATOR LIGHT)

(a) Connect the Techstream to the DLC3.

(b) Start the engine.

(c) Select the Active Test using the Techstream.

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Chassis > ABS/VSC/TRAC/EPB > Active Test

Tester Display

Measurement Item

Control Range

Diagnostic Note

Slip Indicator Light

Slip indicator light

Indicator light ON/OFF

Observe combination meter assembly

Chassis > ABS/VSC/TRAC/EPB > Active Test

Tester Display

Slip Indicator Light

(d) Check that the slip indicator light on the combination meter assembly turns on or off in accordance with the Techstream operation.

OK:

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

HINT:

If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts.

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OK

REPLACE BRAKE ACTUATOR ASSEMBLY

NG

3.

INSPECT COMBINATION METER ASSEMBLY

(a) Turn the ignition switch off.

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

Click here

Body Electrical > Combination Meter > Active Test

Tester Display

Indicat. Lamp Slip

(c) Check the combination meter assembly.

OK:

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

HINT:

If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts.

Click here

OK

REPLACE BRAKE ACTUATOR ASSEMBLY

NG

INSPECT METER / GAUGE SYSTEM

    Slip Indicator Light Remains ON
    DESCRIPTION The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication. The slip indicator light blinks during VSC and/or TRAC operation. ...

    TC and CG Terminal Circuit
    DESCRIPTION Connecting terminals TC and CG of the DLC3 causes the ECU to display DTCs by blinking the ABS warning and slip indicator lights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Whe ...

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