Toyota Tacoma (2015-2018) Service Manual: Freeze Frame Data
FREEZE FRAME DATA
DESCRIPTION
(a) Whenever a lane departure alert system is stored, the forward recognition camera stores the current vehicle state (ECU and sensor information) as Freeze Frame Data.
CHECK FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / LKA/LDA / Trouble Codes.
(e) According to the Techstream display, select a DTC that stored freeze frame data.
(f) Read the freeze frame data recorded when the DTC was stored.
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Load System |
Type of system vehicle is equipped with/ LDA or LKA |
LDA or LKA |
LDA: Equipped with lane departure alert system |
LKA: Equipped with lane keeping assist system |
|
LDA Control |
Control status of lane departure alert system |
Prohibit or Permit |
Prohibit: Control prohibited Permit: Control permitted |
- |
|
Turn Signal Switch (Right) |
Turn signal switch (right) status |
OFF or ON |
ON: Turn signal light switch on (right) OFF: Turn signal light switch off |
- |
|
Turn Signal Switch (Left) |
Turn signal switch (left) status |
OFF or ON |
ON: Turn signal light switch on (left) OFF: Turn signal light switch off |
- |
|
Skid Control Buzzer Demand |
Lane departure alert buzzer demand status |
OFF or ON |
ON: Lane departure alert buzzer operating OFF: Lane departure alert buzzer not operating |
- |
|
Vehicle Information (2WD/4WD) |
Vehicle information (drivetrain) stored in forward recognition camera |
2WD, 4WD or Unknown |
2WD: for 2WD 4WD: for 4WD |
Unknown: Vehicle information not confirmed |
|
Vehicle Information (Conv/HV) |
Vehicle information (conventional/hybrid) stored in forward recognition camera |
Conv, HV or Unknown |
Conv: Conventional |
HV: Hybrid vehicle Unknown: Vehicle information not confirmed |
|
The Number of DTCs |
Number of stored DTCs |
min.: 0, max.: 255 |
Number of stored DTCs |
- |
Dtc Check / Clear
DTC CHECK / CLEAR
CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / LKA/LDA / Trouble Code ...
Data List / Active Test
DATA LIST / ACTIVE TEST
DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any part ...
Other materials:
Initialization not Completed (C2177/77)
DESCRIPTION
Initialization is necessary if one of the following occurs:
The tire pressure warning ECU and receiver is replaced.
A tire pressure warning valve and transmitter is replaced.
Tires with different standard tire pressures are installed.
The tires are rotated.
A new ...
Cruise control
Use the cruise control to maintain a set speed without depressing the accelerator
pedal.
Indicator
Cruise control switch
■ Setting the vehicle speed
Press the ON-OFF button to activate the cruise control.
Cruise control indicator will come on.
Press the button again to deactivate ...
Front Occupant Classification Sensor RH Collision Detection (B1786)
DESCRIPTION
DTC B1786 is set when the occupant detection ECU receives a collision detection
signal, which is sent by the front occupant classification sensor RH when an accident
occurs.
DTC B1786 is also set when the front seat with adjuster frame assembly RH is
subjected to a strong impact, ...
