Toyota Yaris: Pre-collision System / Data List / Active Test

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Vehicle Interior / Pre-collision / Pre-collision System / Data List / Active Test

DATA LIST / ACTIVE TEST

HINT:

Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

NOTICE:

Data List values may experience significant variations due to small differences in measurement, different measurement environments, changes in the vehicle over time, etc., making it difficult to display a clear standard value for judgment. Due to this, it is possible that malfunctions could exist even when values are within the specified ranges.

DATA LIST

(a) Use the Data List to determine whether parts are good or bad, and to narrow down the possible locations of malfunctions.

Body Electrical > Pre-Collision System > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Total Distance Traveled

-

-

-

Cannot be used

Total Distance Traveled - Unit

-

-

-

Cannot be used

PCS Function ON/OFF State

Status of the pre-collision system OFF switch

ON / OFF

ON: Pre-collision system enabled

OFF: Pre-collision system disabled

-

PBA Request

Pre-collision brake assist operation status (While a control command is present, assist control operates when the driver depresses the brake pedal.)

Not PBA Request / PBA Standby Request / PBA Request Level 1 / PBA Request Level 2

Not PBA Request: Pre-collision brake assist not requested

PBA Standby Request: Low pre-collision brake assist requested

PBA Request Level 1: Medium pre-collision brake assist requested

PBA Request Level 2: High pre-collision brake assist requested

The value changes in accordance with the possibility of a collision. This item indicates the pre-collision brake assist standby status. Whether pre-collision brake assist is applied or not is determined by the depression of the brake pedal.

VGRS Activation Request

VGRS control activation start

Not Request / VGRS 1 Request / VGRS 2 Request / VGRS 3 Request

Not Request:

VGRS 1 Request: Request 1

VGRS 2 Request: Request 2

VGRS 3 Request: Request 3

This item is displayed on the GTS for vehicles without the VGRS system, but cannot be used

Warning Brake Request

Warning brake operational status

ON / OFF

ON: Operating

OFF: Not operating

-

FPB Request

Skid control ECU (brake actuator assembly) PCS brake request (pre-braking)

ON / OFF

ON: Operating

OFF: Not operating

-

PB Request

Pre-collision brake request status

ON / OFF

ON: Operating

OFF: Not operating

-

AVS Control Request

AVS control activation status

ON / OFF

ON: AVS control activated

OFF: AVS control not activated

This item is displayed on the GTS for vehicles without AVS, but cannot be used

Prefill

Skid control ECU (brake actuator assembly) PCS brake assist standby

ON / OFF

ON: Operating

OFF: Not operating

-

PBR Request

PBR operation status

ON / OFF

ON: Operating

OFF: Not operating

-

PBH Request

PBH operation status

ON / OFF

ON: Operating

OFF: Not operating

-

LPB Request

LPB operation status

ON / OFF

ON: Operating

OFF: Not operating

-

PCS PBA Invalid

Pre-collision brake assist function status

ON / OFF

ON: Pre-collision brake assist function invalid

OFF: Pre-collision brake assist function valid

-

PCS Warning Buzzer Invalid

PCS warning buzzer status

ON / OFF

ON: PCS warning buzzer function invalid

OFF: PCS warning buzzer function valid

-

PCS PB Invalid

PCS brake function status

ON / OFF

ON: PCS brake function invalid

OFF: PCS brake function valid

-

Acceleration Suppression at Low Speed (A Control) Invalid

Acceleration suppression at low speed (A control) invalid status

ON / OFF

ON: Acceleration suppression at low speed (A control) function invalid

OFF: Acceleration suppression at low speed (A control) function valid

Cannot be used

Emergency Steering Assist Invalid 1

Emergency Steering Assist Invalid 1 status

ON / OFF

ON: Emergency steering assist invalid 1 function invalid

OFF: Emergency steering assist invalid 1 function valid

Cannot be used

Emergency Steering Assist Invalid 2

Emergency Steering Assist Invalid 2 status

ON / OFF

ON: Emergency steering assist invalid 2 function invalid

OFF: Emergency steering assist invalid 2 function valid

Cannot be used

PCS Warning Display Request

PCS warning message status

Not Request / PCS Warning Display 1 Request / PCS Warning Display 2 Request / PCS Warning Display 3 Request

Not Request: Not displayed

PCS Warning Display 1 Request: Displayed

PCS Warning Display 2 Request: Not used

PCS Warning Display 3 Request: Not used

"BRAKE!" is displayed on multi-information display

PCS Warning Buzzer Request

PCS meter buzzer operation status

ON / OFF

ON: Sounding

OFF: Not sounding

-

Vehicle Information (Conv/HV/EV)

Vehicle information (Conv/HV/EV)

Unknown / Conv / HV/EV

Unknown: Vehicle information not confirmed

Conv: Conventional

HV/EV: Hybrid vehicle

-

Vehicle Information (Powertrain Type)

Vehicle information (powertrain type)

Unknown / Conv / S&S / HV / PHV / EV / 1Motor HV / FCV

Displays the type of powertrain

-

Vehicle Information (Transmission Type)

Vehicle information (transmission type)

MT / AT / CVT / MMT / SMT / HV/EV - AT / Unknown

Displays the type of transmission

-

PCS Function ON/OFF State Stored

Pre-collision system on/off setting when the pre-collision system is turned off and the ignition switch is turned off and then to ON.

Stored / Not Stored

Stored: PCS function remains OFF

Not Stored: PCS function resets to ON

"PCS Function ON/OFF State Stored" is a customizable item which can be set using the GTS.

PCS Warning Timing State Stored 2

Sensitivity setting when the pre-collision system is turned on and the ignition switch is turned off and then to ON.

Stored / Not Stored

Stored: Warning sensitivity is maintained at the previous value

Not Stored: Warning sensitivity resets to "Mid"

"PCS Warning Timing State Stored 2" is a customizable item which can be set using the GTS.

PCS Warning Timing State Stored 3

Sensitivity setting when the pre-collision system is turned off and the ignition switch is turned off and then to ON.

Stored / Not Stored

Stored: Warning sensitivity is maintained at the previous value

Not Stored: Warning sensitivity resets to "Mid"

"PCS Warning Timing State Stored 3" is a customizable item which can be set using the GTS.

PCS Warning Timing State Stored 1

Sensitivity setting of the pre-collision system when the pre-collision system is turned off and the then on with the ignition switch ON.

Stored / Not Stored

Stored: Warning sensitivity is maintained at the previous value

Not Stored: Warning sensitivity resets to "Mid"

"PCS Warning Timing State Stored 1" is a customizable item which can be set using the GTS.

ACTIVE TEST

HINT:

Using the GTS to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.

(a) Use the Active Test to determine whether parts are good or bad, and to narrow down the possible locations of malfunctions.

Body Electrical > Pre-Collision System > Active Test

Tester Display

Measurement Item

Control Range

Diagnostic Note

PCS Warning Buzzer

Sounds the meter buzzer

Start / Stop

Test possible with ignition switch ON, vehicle stopped

    Fail-safe Chart

    FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) When a malfunction occurs in the pre-collision system, a message will be displayed on the multi-information display and the pre-collision system will be disabled depending on the malfunction...

    Diagnostic Trouble Code Chart

    D..

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