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 |
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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:
Lost Communication With ECM/PCM "A" Missing Message (U010087,U012987,U014087,U015587,U023087,U111787)
DESCRIPTION These DTCs are stored when there is a CAN communication malfunction between the certification ECU (smart key ECU assembly and ECM, No. 2 skid control ECU (brake actuator assembly), main body ECU (multiplex network body ECU), combination meter assembly, air conditioning amplifier assembly
Inspection
INSPECTION PROCEDURE 1. INSPECT FUEL PUMP
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection Specified Condition
U - V 0.05 to 3.0 Ω
V - W 0.05 to 3.0 Ω
U - W 0.05 to 3.0 Ω
If th
