Toyota CH-R 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.
Body Electrical > Pre-Collision 2 > 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.
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 brake function |
Valid or Inval |
Valid: Pre-collision brake operation possible Inval: Pre-collision brake 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 |
- |
- |
- |
This item is displayed on the Techstream but is not used. |
|
Pre-Collision Brake Control |
Pre-collision brake operational status |
ON or OFF |
ON: Pre-collision brake operating OFF: Pre-collision brake not operating |
- |
|
AVS Start |
- |
- |
- |
This item is displayed on the Techstream but is not used. |
|
VGRS Start |
- |
- |
- |
This item is displayed on the Techstream but is not used. |
|
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 Collision Alarm Buzzer |
Pre-collision city buzzer status |
ON or OFF |
ON: Pre-collision city buzzer sounding OFF: Pre-collision city 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 to ON (IG), this item may change to ON. |
|
Front Recognition Camera-Malfunction History |
Forward recognition camera system unavailable history |
ON or OFF |
ON: History of unavailable OFF: No history of 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
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 ...
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CAUTION / NOTICE / HINT
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Be sure to read Precaution thoroughly before servicing.
Click here
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HINT:
Use the same procedure for the driver side and front passen ...
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PROCEDURE
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NOTICE:
First wipe off the existing grease from the serrated part, and then apply the
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