Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: AWD Warning does not Come ON

DESCRIPTION

Refer to "AWD Warning Light Remains ON".

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WIRING DIAGRAM

Refer to "AWD Warning Light Remains ON".

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CAUTION / NOTICE / HINT

Refer to "AWD Warning Light Remains ON".

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PROCEDURE

1.

CHECK HARNESS AND CONNECTOR

(a) Check that there is no looseness at the locking and connecting parts of the 4WD ECU assembly connector.

OK:

No looseness at the locking and connecting parts

(b) Disconnect the O201 4WD ECU assembly connector.

(c) Check the connector case and the terminal for deformation and corrosion.

OK:

No deformation or corrosion

(d) Connect the O201 4WD ECU assembly connector.

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

2.

CHECK 4WD WARNING MESSAGE

(a) According to the display on the GTS, read the Data List.

Chassis > Four Wheel Drive > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

4WD Warning Light

AWD warning (multi-information display)

OFF or ON

OFF: Warning off

ON: Warning on

-

Chassis > Four Wheel Drive > Active Test

Tester Display

Measurement Item

Control Range

Diagnostic Note

4WD Warning Light

AWD warning (multi-information display)

OFF / ON

Observe combination meter assembly

Chassis > Four Wheel Drive > Active Test

Active Test Display

4WD Warning Light

Data List Display

4WD Warning Light

Result

Proceed to

Data List display does not switch ON/OFF

A

Data List display switches ON/OFF

B

A

REPLACE 4WD ECU ASSEMBLY

B

GO TO METER / GAUGE SYSTEM

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