Toyota Yaris: Active Torque Split Awd System / 4WD/AWD Range Actuator Temperature Sensor Circuit Range/Performance Circuit Voltage Out of Range (C11411C)

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Drivetrain / Gf1a (transfer / 4wd / Awd) / Active Torque Split Awd System / 4WD/AWD Range Actuator Temperature Sensor Circuit Range/Performance Circuit Voltage Out of Range (C11411C)

DESCRIPTION

When a malfunction has occurred in the AWD coupling solenoid system, the AWD ECU assembly stores DTC C11411C.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

Memory

C11411C

4WD/AWD Range Actuator Temperature Sensor Circuit Range/Performance Circuit Voltage Out of Range

  • Even though it can be inferred from the driving conditions that the coupling is generating a significant amount of heat, the temperature sensor value is approximately -10°C (14°F) for 1 second or more, and this continues despite the ignition switch being turned off and then ON again 2 times
  • Even though the engine coolant temperature received from the ECM is less than 35°C (95°F), the temperature sensor value is fixed at 155°C (311°F) (short circuit condition), and this continues despite the ignition switch being turned off and then ON again 2 times
  • The temperature sensor power source voltage is 0.2 V or less for 1 second or more
  • The temperature sensor signal circuit voltage is 4.5 V or more for 1 second or more
  • The temperature sensor signal circuit voltage 1 is 2.1 V or less and voltage 2 is 0.2 V or less for 3 seconds or more
  • Wire harness or connector
  • Temperature sensor
  • AWD ECU assembly

Displayed

Yes

DTC Detection Conditions: C11411C
 

Vehicle Condition

Pattern 1

Pattern 2

Pattern 3

Pattern 4

Pattern 5

Diagnosis Condition

The calorific value of the rear differential carrier assembly estimated from driving conditions is high enough

-

-

-

-

The engine coolant temperature received from the ECM is below 35°C (95°F)

-

-

-

-

Malfunction Status

Temperature sensor is approximately -10°C (14°F)

-

-

-

-

Temperature sensor temperature is stuck at approximately 155°C (311°F) or more (short circuit condition)

-

-

-

-

The temperature sensor power source voltage is 0.2 V or less

-

-

-

-

The temperature sensor signal circuit voltage is 4.5 V or higher

-

-

-

-

The temperature sensor signal circuit voltage 1 is 2.1 V or less and voltage 2 is 0.2 V or less

-

-

-

-

Detection Time

1 second or more

-

1 second or more

1 second or more

3 seconds or more

Number of Trips

2 trip

2 trip

1 trip

1 trip

1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • When the AWD ECU assembly is replaced, before removing the AWD ECU assembly, it is necessary to perform ECU Data Save to save the original AWD ECU assembly information.

    Click here

  • After performing repairs, clear the DTCs and check that the DTCs are not output again.

    Click here

PROCEDURE

1.

INSPECT TEMPERATURE SENSOR

Click here

NG

REPLACE TEMPERATURE SENSOR

OK

2.

CHECK HARNESS AND CONNECTOR (AWD ECU ASSEMBLY - TEMPERATURE SENSOR)

(a) Turn the ignition switch off.

(b) Disconnect the O119 AWD ECU assembly connector.

(c) Disconnect the U3 temperature sensor connector.

(d) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

O119-13 (T1H) - U3-3 (CTS+)

Always

Below 1 Ω

O119-21 (T1L) - U3-4 (CTS-)

Always

Below 1 Ω

O119-13 (T1H) or U3-3 (CTS+) - Body ground and other terminals

Always

10 kΩ or higher

O119-21 (T1L) or U3-4 (CTS-) - Body ground and other terminals

Always

10 kΩ or higher

OK

REPLACE AWD ECU ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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