FAIL-SAFE CHART
1. POWER WINDOW OPERATION IN FAIL-SAFE MODE
HINT:
If the pulse sensor built into the power window regulator motor malfunctions, the power window control system enters fail-safe mode.
(a) The power window control system prohibits the following power window operations when the pulse sensor for the jam protection function has problems and the window position or the learned value is abnormal.
Power Window Regulator Master Switch Assembly
Power Window Operation |
Condition |
||
---|---|---|---|
Ignition switch ON |
Ignition switch off (Key-off operation permitted) |
Ignition switch off (Key-off operation prohibited) |
|
Manual up (Driver side door window) |
X |
X |
- |
Manual down (Driver side door window) |
○ |
X |
- |
Auto up (Driver side door window) (hold switch at auto up position) |
○* |
X |
- |
Auto up (Driver side door window) |
X |
X |
- |
Auto down (Driver side door window) |
X |
X |
- |
Manual up (Remote switch operation) |
X |
X |
- |
Manual down (Remote switch operation) |
X |
X |
- |
Auto up (Remote switch operation) (hold switch at auto up position) |
X |
X |
- |
Auto up (Remote switch operation) |
X |
X |
- |
Auto down (Remote switch operation) |
X |
X |
- |
HINT:
Power Window Operation |
Condition |
||
---|---|---|---|
Ignition switch ON |
Ignition switch off (Key-off operation permitted) |
Ignition switch off (Key-off operation prohibited) |
|
Manual up |
X |
X |
- |
Manual down |
○ |
X |
- |
Auto up (hold switch at auto up position) |
○* |
X |
- |
Auto up |
X |
X |
- |
Auto down |
X |
X |
- |
HINT:
(1) Fail-safe deactivation condition
(b) Initialization failure
HINT:
During initialization of the power window regulator motor ECU, when the window position or initialization complete status cannot be properly read from the EEPROM, the power window control system prohibits the operations as follows:
Power Window Regulator Master Switch Assembly
Power Window Operation |
Condition |
||
---|---|---|---|
Ignition switch ON |
Ignition switch off (Key-off operation permitted) |
Ignition switch off (Key-off operation prohibited) |
|
Manual up (Driver side door window) |
X |
X |
- |
Manual down (Driver side door window) |
○ |
X |
- |
Auto up (Driver side door window) (hold switch at auto up position) |
○* |
X |
- |
Auto up (Driver side door window) |
X |
X |
- |
Auto down (Driver side door window) |
X |
X |
- |
Manual up (Remote switch operation) |
X |
X |
- |
Manual down (Remote switch operation) |
X |
X |
- |
Auto up (Remote switch operation) (hold switch at auto up position) |
X |
X |
- |
Auto up (Remote switch operation) |
X |
X |
- |
Auto down (Remote switch operation) |
X |
X |
- |
HINT:
Power Window Operation |
Condition |
||
---|---|---|---|
Ignition switch ON |
Ignition switch off (Key-off operation permitted) |
Ignition switch off (Key-off operation prohibited) |
|
Manual up |
X |
X |
- |
Manual down |
○ |
X |
- |
Auto up (hold switch at auto up position) |
○* |
X |
- |
Auto up |
X |
X |
- |
Auto down |
X |
X |
- |
HINT:
(c) LIN communication failure
HINT:
If the LIN communication line malfunctions (communication stop), the power window control system prohibits the operations as follows:
Power Window Regulator Master Switch Assembly
Power Window Operation |
Condition |
---|---|
Ignition switch ON |
|
Manual up |
○* |
Manual down |
○ |
Auto up (hold switch at auto up position) |
X |
Auto up |
X |
Auto down |
X |
HINT:
Power Window Operation |
Condition |
---|---|
Ignition switch ON |
|
Manual up |
○* |
Manual down |
○ |
Auto up (hold switch at auto up position) |
○* |
Auto up |
○* |
Auto down |
○ |
HINT:
(d) LIN communication failure and pulse sensor failure
HINT:
If the LIN communication line malfunctions (communication stop) and the pulse sensor for the jam protection function has problems, the power window control system prohibits the operations as follows:
Power Window Regulator Master Switch Assembly
Power Window Operation |
Condition |
---|---|
Always |
|
Manual up |
X |
Manual down |
X |
Auto up (hold switch at auto up position) |
X |
Auto up |
X |
Auto down |
X |
HINT:
Power Window Operation |
Condition |
---|---|
Always |
|
Manual up |
X |
Manual down |
X |
Auto up (hold switch at auto up position) |
X |
Auto up |
X |
Auto down |
X |
HINT:
(e) LIN communication failure and abnormal window position learned value or initialization failure
HINT:
If the LIN communication line malfunctions (communication stop) and the window position or the learned value is abnormal, the power window control system prohibits the operations as follows:
Power Window Regulator Master Switch Assembly
Power Window Operation |
Condition |
---|---|
Always |
|
Manual up |
○* |
Manual down |
○ |
Auto up (hold switch at auto up position) |
- |
Auto up |
- |
Auto down |
- |
HINT:
Power Window Operation |
Condition |
---|---|
Always |
|
Manual up |
○* |
Manual down |
○ |
Auto up (hold switch at auto up position) |
○* |
Auto up |
X |
Auto down |
X |
HINT:
Motor Rotation Angle Sensor Malfunction (C1528)
DESCRIPTION
The motor rotation angle sensor detects the motor rotation angle and sends this
information to the power steering ECU.
DTC No.
DTC Detection Condition
Trouble Area
C1528
Motor rotatio ...
Front Passenger Side Power Mirror cannot be Adjusted with Power Mirror Switch
SYSTEM DESCRIPTION
When the mirror adjust switch is operated, the main body ECU (driver side junction
block assembly) detects the switch operation and sends the mirror adjust switch
signal to the outer mirror control ECU assembly (front passenger door) vi ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedures to troubleshoot the power back door system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
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