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:
PBD Pulse Sensor Malfunction (B2222)
DESCRIPTION
A pulse sensor is built into the power back door ECU (power back door
motor unit) to detect foreign objects and the back door position. The pulse
sensor monitors the operating speed of the back door to detect foreign objects.
Th ...
Clearance Sonar Main Switch Circuit
DESCRIPTION
The back sonar or clearance sonar switch assembly is installed at the base of
the driver side of the instrument panel.
When the clearance sonar main switch is turned on, an on signal is sent to the
clearance warning ECU assembly. The intuitiv ...
Cold Start Ignition Timing Performance (P050B)
DESCRIPTION
This monitor will run when the engine is started at an engine coolant temperature
of -10 to 50°C (14 to 122°F). The DTC is stored after the engine idles for 13
seconds (2 trip detection logic).
The DTC is designed to monitor the ignition ti ...