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Home >> Toyota >> 2019 >> RAV4 LE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 115 (Engine Control System (A25A-FXS) (W/ Canister Pump Module) - Diagnostic Codes (02 Of 13)) >> SFI SYSTEM (w/ Canister Pump Module) >> DTC P00B1-11: Radiator Coolant Temperature Sensor Circuit Short to Ground [06/2020 - 08/2020] >> Description
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DTC P00B1-11: Radiator Coolant Temperature Sensor Circuit Short to Ground [06/2020 - 08/2020]: Description

WARNING: This page is about a different variant/trim than selected.

The No. 2 engine coolant temperature sensor is installed to the radiator pipe between the engine and radiator and monitors the thermostat operation.

The structure of the thermistor used in the No. 2 engine coolant temperature sensor and its connection to the ECM are the same as those of the intake air temperature sensor.

Refer to DTC P0110-11.

Refer to DTC P0110-11: Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Ground [06/2020 - 08/2020]

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P00B1-11 Radiator Coolant Temperature Sensor Circuit Short to Ground The No. 2 engine coolant temperature sensor output voltage is less than 0.081 V for 3 seconds or more (1 trip detection logic).
  • Short in No. 2 engine coolant temperature sensor circuit
  • No. 2 engine coolant temperature sensor
  • ECM
Comes on DTC stored SAE Code: P00B3

HINT: 

When this DTC is output, check the No. 2 engine coolant temperature in the Data List. Enter the following menus: Powertrain / Engine / Data List / Radiator Coolant Temperature.

DTC No. Radiator Coolant Temperature Malfunction
P00B1-11 Higher than 135°C (275°F) Short to ground in THTW circuit

If the Data List values are normal, it may be due to a temporary recovery from the malfunction condition. Check for intermittent problems.

Refer to CHECK FOR INTERMITTENT PROBLEMS [02/2019 - 08/2020]