Toyota Tacoma 2015-2018 Service Manual: Fail-safe Chart
FAIL-SAFE CHART
1. PULSE FAILURE OR DISPLACEMENT OF NON-DETECTION RANGE TO THE OPENING DIRECTION
(a) If the pulse sensor built into the power window regulator motor malfunctions, the power window control system enters fail-safe mode.
Power Window Regulator Master Switch Assembly, Front Power Window Regulator Switch Assembly RH|
Power Window Operation |
Condition |
||
|---|---|---|---|
|
Ignition switch ON |
Ignition switch off (Key-off operation permitted) |
Ignition switch off (Key-off operation prohibited) |
|
|
Manual up (Switch on the door) |
▲ |
X |
- |
|
Manual down (Switch on the door) |
▲ |
X |
- |
|
Auto up (Switch on the door) |
X |
X |
- |
|
Auto down (Switch on the door) |
X |
X |
- |
|
Manual up (Remote switch operation) |
X |
X |
- |
|
Manual down (Remote switch operation) |
X |
X |
- |
|
Auto up (Remote switch operation) |
X |
X |
- |
|
Auto down (Remote switch operation) |
X |
X |
- |
HINT:
- ●: Operates permitted w/ jam protection/catch protection
- ▲: Operates permitted w/o jam protection/catch protection
- X: Operation prohibited
- When the pulse sensor is normal, to deactivate fail-safe mode, pull up the power window switch to the auto up position and hold it for at least 1 second to fully close the window from the fully open position. As a result, the auto up/down function will return.
2. INITIAL FAILURE
(a) During initialization, when the window position or initialization complete status cannot be properly read from the non-volatile memory, the following power window operations are prohibited.
Power Window Regulator Master Switch Assembly, Front Power Window Regulator Switch Assembly RH|
Power Window Operation |
Condition |
||
|---|---|---|---|
|
Ignition switch ON |
Ignition switch off (Key-off operation permitted) |
Ignition switch off (Key-off operation prohibited) |
|
|
Manual up (Switch on the door) |
▲ |
X |
- |
|
Manual down (Switch on the door) |
▲ |
X |
- |
|
Auto up (Switch on the door) |
X |
X |
- |
|
Auto down (Switch on the door) |
X |
X |
- |
|
Manual up (Remote switch operation) |
X |
X |
- |
|
Manual down (Remote switch operation) |
X |
X |
- |
|
Auto up (Remote switch operation) |
X |
X |
- |
|
Auto down (Remote switch operation) |
X |
X |
- |
- ●: Operates permitted w/ jam protection/catch protection
- ▲: Operates permitted w/o jam protection/catch protection
- X: Operation prohibited
- Perform initialization (See page
.gif)
).
3. LIN COMMUNICATION FAILURE
(a) If the LIN communication line is malfunctioning (communication stop), the power window control system prohibits operation as follows. (Operation is only possible using the power window switch of each seat.)
Power Window Regulator Master Switch Assembly|
Power Window Operation |
Condition |
|---|---|
|
Always |
|
|
Manual up |
● |
|
Manual down |
▲ |
|
Auto up |
- |
|
Auto down |
- |
|
Power Window Operation |
Condition |
|---|---|
|
Always |
|
|
Manual up |
● |
|
Manual down |
▲ |
|
Auto up |
● |
|
Auto down |
▲ |
- ●: Operates permitted w/ jam protection/catch protection
- ▲: Operates permitted w/o jam protection/catch protection
- X: Operation prohibited
- Check LIN communication system (See page
).
4. PULSE FAILURE AND LIN COMMUNICATION FAILURE
(a) If the LIN communication line is malfunctioning (communication stop) and the pulse sensor is malfunctioning, the following power window operations are prohibited.
Power Window Regulator Master Switch Assembly|
Power Window Operation |
Condition |
|---|---|
|
Always |
|
|
Manual up |
X |
|
Manual down |
X |
|
Auto up |
X |
|
Auto down |
X |
|
Power Window Operation |
Condition |
|---|---|
|
Always |
|
|
Manual up |
X |
|
Manual down |
X |
|
Auto up |
X |
|
Auto down |
X |
- ●: Operates permitted w/ jam protection/catch protection
- ▲: Operates permitted w/o jam protection/catch protection
- X: Operation prohibited
5. DISPLACEMENT OF NON-DETECTION RANGE TO THE OPENING DIRECTION AND LIN COMMUNICATION FAILURE / INITIAL FAILURE AND LIN COMMUNICATION FAILURE
(a) If the LIN communication line is malfunctioning and the window position and learned value are abnormal, or the LIN communication line is malfunctioning and the window position or initialization complete status cannot be properly read from the non-volatile memory during initialization, the following power window operations are prohibited.
Multiplex Network Master Switch Assembly|
Power Window Operation |
Condition |
|---|---|
|
Always |
|
|
Manual up |
● |
|
Manual down |
▲ |
|
Auto up |
- |
|
Auto down |
- |
|
Power Window Operation |
Condition |
|---|---|
|
Always |
|
|
Manual up |
● |
|
Manual down |
▲ |
|
Auto up |
X |
|
Auto down |
X |
- ●: Operates permitted w/ jam protection/catch protection
- ▲: Operates permitted w/o jam protection/catch protection
- X: Operation prohibited
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Power Window Control System
DTC Code
Detection Item
See page
B2311
Power Window Motor Malfunction
...
Power Window Motor Malfunction (B2311)
DESCRIPTION
The power window regulator motor assemblies are operated by the power window
regulator master switch assembly, front power window regulator switch assembly RH.
The power window regula ...
Other materials:
Auto Up Operation does not Fully Close Power Window (Jam Protection Function
is Activated)
DESCRIPTION
If a door glass or a power window regulator motor assembly does not operate smoothly,
the jam protection function may be triggered automatically, resulting in the auto
up function being unable to fully close the window.
HINT:
This symptom may occur for any of the windows.
CAUTION ...
System Diagram
SYSTEM DIAGRAM
1. OVERALL CAN BUS DIAGRAM
(a) The CAN communication system is composed of 4 buses.
CAN Main Bus Line
Terminating Resistor
CAN Branch Line
*
Gateway Function Equipped ECU
...
Slip Indicator Light Remains ON
DESCRIPTION
The slip indicator light blinks during VSC or TRAC and AUTO LSD operation. When
the system fails, the slip indicator light comes on to warn the driver.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (master cylinder solenoid), perform ...