Toyota Yaris: Air Conditioning System / Data List / Active Test

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Vehicle Interior / Heating / Air Conditioning / Air Conditioning System / 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 deciding whether a part is faulty or not.

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

Body Electrical > Air Conditioner > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Total Distance Traveled

Total distance traveled

Min.: 0

Max.: 999999

Actual total distance displayed

-

Total Distance Traveled - Unit

Total distance traveled unit

km or mile

-

-

Room Temperature Sensor

Cooler thermistor (room temperature sensor)

Min.: -327.68°C (-557.82°F)

Max.: 327.67°C (621.81°F)

Actual cabin temperature displayed

Cooler (room temp. sensor) thermistor circuit malfunction

Ambient Temperature Sensor

Thermistor assembly

Min.: -327.68°C (-557.82°F)

Max.: 327.67°C (621.81°F)

Actual ambient temperature displayed

Thermistor assembly circuit malfunction

Front Left Solar Sensor

-

-

-

This item is displayed on the GTS but is not used

Front Right Solar Sensor

Automatic light control sensor

Min.: 0 W/m^2

Max.: 6553.5 W/m^2

Automatic light control sensor value increases as brightness increases

Automatic light control sensor circuit malfunction

Engine Coolant Temperature Sensor

Engine coolant temperature sensor

Min.: -327.68°C (-557.82°F)

Max.: 327.67°C (621.81°F)

Actual engine coolant temperature displayed

  • SFI system malfunction
  • CAN communication system malfunction

Evaporator Fin Thermistor

No. 1 cooler thermistor

Min.: -327.68°C (-557.82°F)

Max.: 327.67°C (621.81°F)

Actual evaporator temperature displayed

No. 1 cooler thermistor circuit malfunction

Regulator Pressure Sensor

Air conditioner pressure sensor

Min.: -32768 kPaG(gauge)

Max.: 32.767 kPaG(gauge)

Actual refrigerant pressure displayed

  • Refrigerant line (gas leak etc.)
  • Air conditioner pressure sensor circuit malfunction

Ambient Temperature Adjustment Value

Adjusted ambient temperature

Min.: -327.68°C (-557.82°F)

Max.: 327.67°C (621.81°F)

Adjust ambient temperature displayed

Air conditioning amplifier assembly circuit malfunction

Front Right Air Outlet Temperature

Passenger side target temperature

Min.: -327.68°C (-557.82°F)

Max.: 327.67°C (621.81°F)

Passenger side target temperature displayed

  • When MAX COLD: -327.68°C (-557.82°F)
  • When MAX HOT: 327.67°C (621.81°F)

Front Left Air Outlet Temperature

Driver side target temperature

Min.: -327.68°C (-557.82°F)

Max.: 327.67°C (621.81°F)

Driver side target temperature displayed

  • When MAX COLD: -327.68°C (-557.82°F)
  • When MAX HOT: 327.67°C (621.81°F)

Evaporator Target Temperature

Evaporator target temperature

Min.: -327.68°C (-557.82°F)

Max.: 327.67°C (621.81°F)

Evaporator target temperature displayed

No. 1 cooler thermistor circuit malfunction

  • When open circuit: -327.68°C (-557.82°F)
  • When short circuit: 327.67°C (621.81°F)

Front Right Set Temperature

Passenger side set temperature

Min.: MAX COLD

Max.: MAX HOT

Passenger side set temperature displayed

Air conditioning control assembly circuit malfunction

Front Left Set Temperature

Driver side set temperature2

Min.: MAX COLD

Max.: MAX HOT

Driver side set temperature displayed

Air conditioning control assembly circuit malfunction

Front Left Air Mix Damper Control Servo Motor Target Pulse

No. 1 air conditioning radiator damper servo sub-assembly target pulse

Min.: 128

Max.: 384

  • MAX COLD: 257 (pulse)
  • MAX HOT: 165 (pulse)

No. 1 air conditioning radiator damper servo sub-assembly circuit malfunction

Front Left Air Mix Damper Control Servo Motor Actual Pulse

No. 1 air conditioning radiator damper servo sub-assembly target pulse

Min.: 128

Max.: 384

  • MAX COLD: 257 (pulse)
  • MAX HOT: 165 (pulse)

No. 1 air conditioning radiator damper servo sub-assembly circuit malfunction

Front Right Air Mix Damper Control Servo Motor Target Pulse

No. 1 air conditioning radiator damper servo sub-assembly target pulse

Min.: 128

Max.: 384

  • MAX COLD: 255 (pulse)
  • MAX HOT: 347 (pulse)

No. 1 air conditioning radiator damper servo sub-assembly circuit malfunction

Front Right Air Mix Damper Control Servo Motor Actual Pulse

No. 1 air conditioning radiator damper servo sub-assembly target pulse

Min.: 128

Max.: 384

  • MAX COLD: 255 (pulse)
  • MAX HOT: 347 (pulse)

No. 1 air conditioning radiator damper servo sub-assembly circuit malfunction

Air Inlet Damper Control Servo Motor Target Pulse

No. 1 blower damper servo sub-assembly target pulse

Min.: 128

Max.: 384

  • Recirculation: 256 (pulse)
  • Fresh: 220 (pulse)

No. 1 blower damper servo sub-assembly circuit malfunction

Air Inlet Damper Control Servo Motor Actual Pulse

No. 1 blower damper servo sub-assembly actual pulse

Min.: 128

Max.: 384

  • Recirculation: 256 (pulse)
  • Fresh: 220 (pulse)

No. 1 blower damper servo sub-assembly circuit malfunction

Solenoid Valve Control Current Value

Solenoid valve control current

Min.: 0 mA

Max.: 1000 mA

Value changes between 0 A and 0.997 A in accordance with solenoid valve operation

-

Refrigerant Gas Type

Refrigerant gas type

R134a or Hfo1234yf

Refrigerant gas type displayed

-

Refrigerant High Pressure History Count

Refrigerant high pressure history

Min.: 0

Max.: 255

Number of times refrigerant high pressure history stored displayed

*1

Refrigerant Low Pressure History Count

Refrigerant low pressure history

Min.: 0

Max.: 255

Number of times refrigerant low pressure history stored displayed

*1

Operation Limit Control History Count

Operation limit control history

Min.: 0

Max.: 255

Number of times operation limit control history stored displayed

*2

Efficient Ventilation Mode

Air inlet mode

OFF or ON

Customized value displayed

-

Foot/DEF Automatic Blow Up Function

Foot/defroster auto blower speed increase

OFF or ON

Customized value displayed

-

Foot/DEF Auto Mode

Foot/defroster auto mode

OFF or ON

Customized value displayed

-

ECO Mode Control

Function to cancel ECO mode when set to ON

OFF or ON

Customized value displayed

-

Fan Speed Increment Control

Fan speed increment control

Short, Normal or Long

Customized value displayed

-

Outside Air Mode Auto Switch Function

Outside air mode auto switch function

OFF or ON

Customized value displayed

-

A/C Auto Switch Mode

A/C auto switch mode

OFF or ON

Customized value displayed

-

Evaporator Control

Evaporator control

Manual or Automatic

Customized value displayed

-

Ion Generate Control

-

-

-

This item is displayed on the GTS but is not used.

Set Temperature Shift

Shift set temperature

Min.: -2 °C

Max.: 2 °C

Customized value displayed

-

Refrigerant Shortage Check

Refrigerant shortage check

OFF or ON

Customized value displayed

-

Blower Level

Blower motor speed level

Min.: 0

Max.: 31

Displayed speed level increases in range between 0 and 31 as blower motor speed increases

Blower motor with fan sub-assembly circuit malfunction

A/C Driving Demand

A/C control cutoff signal

OFF or ON

The ECM sends the air conditioning control cutoff signal displayed

ECM circuit malfunction

Electrical Fan

Electric cooling fan motor status

OFF or ON

Status of electric cooling fan motor displayed

-

  • *1: Refer to the following procedure to clear the refrigerant pressure history.

    Click here

  • *2: Refer to the following procedure to clear the A/C operation limit history count.

    Click here

Powertrain > Engine > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Coolant Temperature

Engine coolant temperature

Min.: -40°C (-40°F)

Max.: 140°C (284°F)

75 to 100°C (167 to 212°F): After warming up

This is the engine coolant temperature.

HINT:

  • After warming up the engine, the engine coolant temperature will be 75 to 100°C (167 to 212°F).
  • After a long soak, the engine coolant temperature, intake air temperature and ambient air temperature will be approximately equal.
  • If the value is -40°C (-40°F), or higher than 135°C (275°F), the sensor circuit is open or shorted.
  • Check if the engine overheats if the value indicated is higher than 135°C (275°F).

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 > Air Conditioner > Active Test

Tester Display

Measurement Item

Control Range

Diagnostic Note

Blower Level

Blower motor with fan sub-assembly

Min.: 0

Max.: 31

-

A/C Driving Demand

Air conditioning system

OFF or ON

-

Electrical Fan

Electric cooling fan motor

OFF or ON

-

Front Left Air Mix Damper Control Servo Motor

No. 1 air conditioning radiator damper servo sub-assembly pulse

Min.: 128

Max.: 384

-

Front Right Air Mix Damper Control Servo Motor

No. 1 air conditioning radiator damper servo sub-assembly pulse

Min.: 128

Max.: 384

-

Air Inlet Damper Control Servo Motor

No. 1 blower damper servo sub-assembly pulse

Min.: 128

Max.: 384

-

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    Diagnostic Trouble Code Chart

    D..

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