Toyota Camry owners & service manuals

Toyota Camry (XV70): Transmission Fluid Temperature Sensor "A" Circuit Short To Ground (P071011)

Toyota Camry Repair Manual XV70 (2018-2024) / Drivetrain / Ua80e (automatic Transmission / Transaxle) / Automatic Transaxle System / Transmission Fluid Temperature Sensor "A" Circuit Short To Ground (P071011)

DESCRIPTION

The ATF temperature sensor converts the automatic transaxle fluid (ATF) temperature into a resistance value for use by the ECM.

The ECM applies voltage to the temperature sensor through terminal THO1 of the ECM.

The sensor resistance changes with the ATF temperature. As the temperature rises, the sensor resistance decreases.

One terminal of the sensor is grounded so that the sensor resistance and voltage decrease as the temperature rises.

The ECM calculates the ATF temperature based on the voltage signal.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Memory

Note

P071011

Transmission Fluid Temperature Sensor "A" Circuit Short To Ground

When the battery voltage is 8 V or more and the engine switch is on (IG), the ATF temperature sensor voltage is less than 0.142 V for 0.5 seconds. (1-trip detection logic)

  • Short to ground in ATF temperature sensor circuit
  • Transmission wire (ATF temperature sensor)
  • ECM

Comes on

DTC stored

SAE Code:

P0712

MONITOR DESCRIPTION

This DTC indicates a short to ground in the ATF temperature sensor circuit. The ATF temperature sensor converts the ATF temperature into an electrical resistance value. Based on the resistance, the ECM determines the ATF temperature, and can detect a short to ground in the ATF temperature sensor circuit. If the resistance value of the ATF temperature sensor is below 79 Ω*, the ECM interprets this as a malfunction of the ATF temperature sensor or in the wire harness, illuminates the MIL and stores this DTC.

*: 150

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