Toyota Yaris: Dynamic Radar Cruise Control System / Data List / Active Test

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Engine & Hybrid System / Cruise Control / Dynamic Radar Cruise Control System / Data List / Active Test

DATA LIST / ACTIVE TEST

NOTICE:

  • In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.
  • When diagnosing symptoms such as hesitation, rough idle, or other small symptoms using vehicle control history, compare data extracted from the same vehicle model in the same conditions and make sure to analyze all data in its entirety before making a diagnosis.

DATA LIST

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.

(a) Enter the following menus: Powertrain / Radar Cruise 1*1 or Radar Cruise 2*2 / Data List.

  • *1: Output from the ECM
  • *2: Output from the millimeter wave radar sensor assembly

(b) Read the Data List according to the display on the GTS.

Powertrain > Radar Cruise1 > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Cruise Vehicle Speed

Vehicle speed

Min.: 0 km/h (0 mph), Max.: 255 km/h (158 mph)

Actual vehicle speed

-

Cruise Memory Vehicle Speed

Stored vehicle speed

Min.: 0 km/h (0 mph), Max.: 255 km/h (158 mph)

Stored vehicle speed

-

Cruise Request Throttle Opening Angle

Cruise requested position

0 to 124.99 deg

Changes depending on the conditions of the dynamic radar cruise control system

-

Vehicle Acceleration

Acceleration condition while driving the vehicle

-13.10 to 13.10 m/s2

Current value displayed

-

Cruise Target Acceleration

Target acceleration while in cruise control mode

-13.10 to 13.10 m/s2

Current value displayed

-

Driving Support ECU Target Acceleration

-

-

-

Cannot be used

Acceleration Continuation Decision

-

-

-

Cannot be used

Output Driving Force

-

-

-

Cannot be used

Cruise Request Driving Force

Cruise request torque signal

-10.00 to 9.92 kN

Changes depending on the conditions of the dynamic radar cruise control system

-

Cruise Request Driving Force Feedback Status

-

-

-

Cannot be used

Cruise Control Permission Condition

-

-

-

Cannot be used

Cruise Control Condition

-

-

-

Cannot be used

Cruise Control Mode

Cruise control mode condition

Vehicle Distance Control Mode (All Speed), Vehicle Distance Control Mode or Constant Speed Control Mode

Vehicle Distance Control Mode (All Speed): Vehicle distance control mode (All Speed) operating

Vehicle Distance Control Mode: Vehicle distance control mode operating

Constant Speed Control Mode: Constant speed control mode operating

-

Cruise Request Gear Position

Shift request from ECM

None or 255 Gear

Shift request from cruise control system

-

Cruise Acceleration and Deceleration Operation Condition

-

-

-

Cannot be used

Cancel Switch

CANCEL switch status

ON or OFF

ON: CANCEL switch pushed

OFF: CANCEL switch not pushed

-

-SET Switch

-SET switch status

ON or OFF

ON: -SET switch pushed

OFF: -SET switch not pushed

-

+RES Switch

+RES switch status

ON or OFF

ON: +RES switch pushed

OFF: +RES switch not pushed

-

Cruise Main Switch Operation Condition

Cruise control main switch status

ON or OFF

ON: Cruise control main switch pushed

OFF: Cruise control main switch not pushed

-

Cruise Ready Main-CPU

Cruise control system standby condition

ON or OFF

ON: Cruise control main switch pushed

OFF: Cruise control main switch not pushed

-

Cruise Ready Sub-CPU

Cruise control system standby condition

ON or OFF

ON: Cruise control main switch pushed

OFF: Cruise control main switch not pushed

-

Accelerator Pedal

Condition of the accelerator pedal during cruising

ON or OFF

ON: Accelerator pedal depressed

OFF: Accelerator pedal released

-

Cruise Brake Cancel Switch

Cruise control brake cancel condition

ON or OFF

ON: Brake pedal depressed

OFF: Brake pedal released

-

Stop Light Switch Main-CPU

Stop light switch signal

ON or OFF

ON: Brake pedal depressed

OFF: Brake pedal released

-

Stop Light Switch Sub-CPU

-

-

-

Cannot be used

Request Manual Cancel

-

-

-

Cannot be used

Request Automatic Cancel

-

-

-

Cannot be used

Cruise Brake Control Decision

Cruise brake control decision

ON or OFF

ON: Cruise brake activated

OFF: Cruise brake deactivated

-

Cruise Brake Control Permission Condition

-

-

-

Cannot be used

Cruise Indicator

Cruise control indicator status

ON or OFF

ON: Cruise control indicator illuminates

OFF: Cruise control indicator turns off

-

Wheel Speed Sensor and Deceleration Sensor

Speed sensor signal and deceleration sensor signal condition

Avail or Not Avl

Avail: Speed sensor signal and deceleration sensor signal available

Not Avl: Speed sensor signal and deceleration sensor signal not available

-

Gradient of Road Surface

-

-

-

Cannot be used

(c) Radar Cruise 2:

Read the Data List according to the display on the GTS.

Powertrain > Radar Cruise2 > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Total Distance Traveled

-

-

-

Cannot be used

Total Distance Traveled - Unit

-

-

-

Cannot be used

Cruise Control Main Switch

Cruise control main switch status

ON or OFF

ON: Cruise control main switch pushed

OFF: Cruise control main switch not pushed

-

Vehicle-to-vehicle Distance Control Switch

Vehicle-to-vehicle distance control switch signal

ON or OFF

ON: Vehicle-to-vehicle distance control switch pushed

OFF: Vehicle-to-vehicle distance control switch not pushed

-

Cruise Control Mode

Cruise control mode signal

Vehicle-to-vehicle Distance Control (All Speed), Vehicle-to-vehicle Distance Control (Hi Speed) or Constant Speed Control

Vehicle-to-vehicle Distance Control (All Speed): Vehicle-to-vehicle distance control mode (w/ full-speed range following function)

Vehicle-to-vehicle Distance Control (Hi Speed): Vehicle-to-vehicle distance control mode (w/o full-speed range following function)

Constant Speed Control: Constant speed mode

-

Vehicle Speed

Vehicle speed

Min.: 0 km/h (0 mph), Max.: 327.67 km/h (204.79 mph)

Actual vehicle speed

-

Yaw Rate Sensor Signal

Yaw rate value

Min.: -100.00 deg/s, Max.: 100.00 deg/s

Actual yaw rate value

-

Steering Angle Signal

Steering sensor signal

Min.: -3072.0 deg, Max.: 3070.5 deg

Increase: Turning left

Decrease: Turning right

-

Estimated Vehicle Acceleration

Estimated Vehicle Acceleration

Min.: -5.00 m/s2, Max.: 5.00 m/s2

Current value displayed

-

Accelerator Pedal Idle

Accelerator pedal idle position signal

ON or OFF

ON: Accelerator pedal released

OFF: Accelerator pedal depressed

-

Cruise Warning Request

Forward vehicle approach warning signal

ON or OFF

ON: Forward vehicle approaching

OFF: Forward vehicle not approaching

-

Radar Transmitting

Millimeter wave radar sensor assembly operation signal

ON or OFF

ON: Millimeter wave radar sensor assembly signal sent

OFF: Millimeter wave radar sensor assembly signal stopped

-

Vehicle Information (Conv/HV/EV)

Vehicle Information (Conv/HV/EV)

Unknown, Conv or HV/EV

-

-

Vehicle Information (Steering Wheel Position)

Vehicle Information (Steering Wheel Position)

Unknown, Left or Right

-

-

Accelerator Over Ride

Accelerator pedal position signal during cruising

ON or OFF

ON: Accelerator over ride ON

OFF: Accelerator over ride OFF

-

Front Radar Sensor High Temperature

Millimeter wave radar sensor assembly high temperature abnormality

Normal or High Temperature

Normal: Millimeter wave radar sensor assembly temperature is normal

High Temperature: Millimeter wave radar sensor assembly temperature is high

  • "High Temperature" displayed when the millimeter wave radar sensor assembly is in the following condition
    • When the ambient temperature of the millimeter wave radar sensor assembly is 70°C (158°F) or more, such as when the vehicle is left alone in an extremely hot environment
  • When "High Temperature" is displayed, and the dynamic radar cruise control system is in one of the following conditions
    • X2027 in the vehicle control history (Front Radar Sensor Outside Guaranteed Operating Temperature) is stored
    • "Radar Cruise Control Unavailable" is displayed on the multi-information display
  • If "High Temperature" is displayed, refer to X2027 in the front radar sensor system vehicle control history

Front Radar Sensor Low Voltage

Millimeter wave radar sensor assembly low voltage abnormality

Normal or Low Voltage

Normal: Millimeter wave radar sensor assembly voltage is normal

Low Voltage: Millimeter wave radar sensor assembly voltage is low

  • "Low Voltage" displayed when the millimeter wave radar sensor assembly is in the following condition
    • When the input voltage is approximately 8 V or less, immediately after turning the engine is started
  • When "Low Voltage" is displayed, and the dynamic radar cruise control system is in one of the following conditions
    • X2028 in the vehicle control history (Front Radar Sensor Outside Guaranteed Operating Voltage) is stored
    • "Radar Cruise Control Unavailable" is displayed on the multi-information display
  • If "Low Voltage" is displayed, refer to X2028 in the front radar sensor system vehicle control history

Radar Cruise Control System Malfunction

Dynamic radar cruise control system warning indication

Normal or Abnormal

Normal: Dynamic radar cruise control system warning indication (Malfunction not detected)

Abnormal: Dynamic radar cruise control system warning indication (Malfunction detected)

-

Vehicle Information (Powertrain Type)

Vehicle information (powertrain type)

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

Displays the type of powertrain

-

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) Perform the Active Test according to the display on the GTS.

Body Electrical > Combination Meter > Active Test

Tester Display

Measurement Item

Control Range

Diagnostic Note

Multi Display All (White)

Multi-information display (White display)

ON

-

    Fail-safe Chart

    FAIL-SAFE CHART Constant Speed Control Mode: Condition Multi-information Display Cruise Control Indicator Warning Buzzer When the following condition(s) occurs while the vehicle is in motion during cruise control, the system clears the set vehicle speed and cancels cruise control...

    Diagnostic Trouble Code Chart

    D..

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