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
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    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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