Toyota Tacoma 2015-2018 Service Manual: Freeze Frame Data
FREEZE FRAME DATA
DESCRIPTION
(a) When a pre-collision system DTC is stored, the millimeter wave radar sensor assembly stores the current vehicle (ECU or sensor) state 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: Body Electrical / Pre-Collision 2 / Trouble Codes.
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(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.
Body Electrical > Pre-Collision 2|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Turn Light RH |
Turn signal switch (right) status |
ON or OFF |
ON: Turn signal switch (right) on OFF: Turn signal switch (right) off |
- |
|
Turn Light LH |
Turn signal switch (left) status |
ON or OFF |
ON: Turn signal switch (left) on OFF: Turn signal switch (left) off |
- |
|
PCS OFF Switch |
Pre-collision system on/off status |
ON or OFF |
ON: Pre-collision system on OFF: Pre-collision system off |
- |
|
PCS Indicator |
"Pre-Collision System Malfunction Visit Your Dealer" display request signal |
ON or OFF |
ON: "Pre-Collision System Malfunction Visit Your Dealer" display requested OFF: "Pre-Collision System Malfunction Visit Your Dealer" display not requested |
- |
|
PCS Disabled Indicator |
"Pre-Collision System Unavailable" display request signal |
ON or OFF |
ON: "Pre-Collision System Unavailable" display requested OFF: "Pre-Collision System Unavailable" display not requested |
- |
|
Pre-Collision Safety Warning Buz |
Pre-collision system warning buzzer |
Valid or Inval |
Valid: Pre-collision system warning buzzer operation possible Inval: Pre-collision system warning buzzer operation not possible |
- |
|
Pre-Collision Brake |
Pre-collision braking function |
Valid or Inval |
Valid: Pre-collision braking operation possible Inval: Pre-collision braking operation not possible |
- |
|
PBA Start |
Pre-collision brake assist activation signal |
OFF, Standby, Assist Lv1 or Assist Lv2 |
OFF: Pre-collision brake assist not operating Standby: Brake pedal not depressed during pre-collision brake assist operation Assist Lv1: Brake pedal depressed during pre-collision brake assist operation Assist Lv2: Brake pedal firmly depressed during pre-collision brake assist operation |
Signal status changes when the pre-collision brake assist is activated before a crash (Pre-collision brake will activate only in situations where the driver depresses the brake pedal) |
|
Brake Assist Standby |
- |
- |
- |
Not applicable to this vehicle |
|
Pre-Collision Brake Control |
Pre-collision braking operational status |
ON or OFF |
ON: Pre-collision braking operating OFF: Pre-collision braking not operating |
- |
|
AVS Start |
- |
- |
- |
Not applicable to this vehicle |
|
VGRS Start |
- |
- |
- |
Not applicable to this vehicle |
|
PBA Control |
Pre-collision brake assist operational status |
Valid or Invalid |
Valid: Pre-collision brake assist control operation possible Invalid: Pre-collision brake assist control operation not possible |
- |
|
Pre-Collision Safety Brake Ind |
Pre-collision system alarm warning message status |
ON or OFF |
ON: Displayed OFF: Not displayed |
"BRAKE!" is displayed |
|
PCS Crash Alarm Buzzer |
Pre-collision system warning buzzer status |
ON or OFF |
ON: Pre-collision system warning buzzer sounding OFF: Pre-collision system warning buzzer not sounding |
- |
|
Front Radar-Low Voltage History |
Millimeter wave radar sensor assembly low voltage history |
ON or OFF |
ON: History of low voltage OFF: No history of low voltage |
If the engine starts 1 second or more after the ignition switch was turned ON, this item may change to ON |
|
Front Recognition Camera-Malfunction History |
Forward recognition camera system unavailable history |
ON or OFF |
ON: History of being unavailable OFF: No history of being unavailable |
- |
|
Control Mode |
ECU control mode status |
Normal or Check Mode |
Normal: Normal operation Check Mode: Operating in control mode |
- |
|
PCS Operation State Retention Setting |
PCS operation state retention setting customize setting |
ON or OFF |
ON: Customize setting set to ON OFF: Customize setting set to OFF |
- |
|
PCS Alarm Activation Distance Retention Setting 1 |
PCS alarm activation distance retention setting 1 customize setting |
ON or OFF |
ON: Customize setting set to ON OFF: Customize setting set to OFF |
- |
|
PCS Alarm Activation Distance Retention Setting 2 |
PCS alarm activation distance retention setting 2 customize setting |
ON or OFF |
ON: Customize setting set to ON OFF: Customize setting set to OFF |
- |
|
PCS Alarm Activation Distance Retention Setting 3 |
PCS alarm activation distance retention setting 3 customize setting |
ON or OFF |
ON: Customize setting set to ON OFF: Customize setting set to OFF |
- |
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: Body Electrical / Pre-Collision ...
Data List / Active Test
DATA LIST / ACTIVE TEST
DATA LIST
NOTICE:
In the table below, the values listed under "Normal Condition" are reference
values. Do not depend solely on these reference values when decidi ...
Other materials:
Hazard Warning Switch Circuit
DESCRIPTION
The combination meter assembly receives information signals from the telltale
light assembly (hazard warning signal switch).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection procedur ...
Repair
REPAIR
PROCEDURE
1. REPAIR INTAKE VALVE SEATS
NOTICE:
Repair the intake valve seat while checking the seating position.
Keep the lip free of foreign matter.
(a) Using a 45° cutter, resurface the valve seat so that the valve seat
width is more than the specif ...
While Alarm is Armed, Battery is Reconnected but Alarm does not Sound
DESCRIPTION
While the alarm is armed, the EEPROM inside the main body ECU (multiplex network
body ECU) will remember the armed state even if the battery is disconnected, and
the alarm will sound when the battery is reconnected.
If the alarm does not sound when the battery is reconnected, the a ...