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:
Short in Side Squib LH Circuit (B1825/56-B1828/56)
DESCRIPTION
The side squib LH circuit consists of the airbag sensor assembly and the front
seat airbag assembly LH.
This circuit signals the SRS to deploy when airbag deployment conditions are
met.
These DTCs are set when a malfunction is detected in the side squib LH circuit.
DTC ...
Precaution
PRECAUTION
1. PRECAUTIONS WHEN USING TECHSTREAM
(a) When using the Techstream to troubleshoot the engine immobiliser system:
Connect the Techstream to the DLC3 while the ignition switch is off, and turn
a door courtesy light switch on and off at 1.5-second intervals until communication
betwee ...
Skid Control Buzzer Circuit (C1A4A)
DESCRIPTION
The millimeter wave radar sensor assembly is connected to the forward recognition
camera via CAN communication.
The millimeter wave radar sensor assembly operates the pre-collision alarm by
sending a buzzer request signal to the skid control buzzer.
If the millimeter wave radar se ...
