Toyota Corolla Cross: AWD Warning does not Come ON
DESCRIPTION
Refer to "AWD Warning Light Remains ON".
Click here .gif)
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 | .gif) |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
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|
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 |
- |
|
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
4WD Warning Light |
AWD warning (multi-information display) |
OFF / ON |
Observe combination meter assembly |
|
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 |
READ NEXT:
Removal
REMOVAL
CAUTION / NOTICE / HINT
COMPONENTS (REMOVAL)
Procedure
Part Name Code
1
CONTINUOUSLY VARIABLE TRANSAXLE ASSEMBL
Disassembly
DISASSEMBLY
CAUTION / NOTICE / HINT
COMPONENTS (DISASSEMBLY)
Procedure
Part Name Code
1
TRANSFER AND TRANSAXLE SETTING
SEE MORE:
Left Rear Wheel Speed Sensor Circuit Short to Ground or Open (C050C14)
DESCRIPTION
Refer to DTC C050C12
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DTC No.
Detection Item
DTC Detection Condition
Trouble Area
C050C14
Left Rear Wheel Speed Sensor Circuit Short to Ground
or Open
A short or open circuit is detected
Terminals Of Ecu
TERMINALS OF ECU CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND POWER DISTRIBUTION BOX ASSEMBLY
(a) Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly.
Click here (b) Reconnect the power distribution box assembly connectors.
(c) Measure the
