Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Heater relay

On-vehicle inspection

Toyota RAV4. On-vehicle inspection


  1. Inspect relay (marking: htr)

  1. Measure the resistance of the htr relay.

Standard resistance


If the result is not as specified, replace the relay.

Solar sensor (for automatic air conditioning system)
Components Removal Disconnect cable from negative battery terminal Caution: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent ai ...

Air conditioning control assembly (for automatic air conditioning system)
Components Removal Disconnect cable from negative battery terminal Notice: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent air ...

Other materials:

Oxygen sensor circuit
Description In order to obtain a high purification rate of the carbon monoxide (co), hydrocarbon (hc) and nitrogen oxide (nox) components in the exhaust gas, a twc is used. For the most efficient use of the twc, the air-fuel ratio must be precisely controlled so that it is always close to ...

Intake air temperature circuit malfunction
Description The intake air temperature (iat) sensor, mounted on the mass air flow (maf) meter, monitors the iat. The iat sensor has a built-in thermistor with a resistance that varies according to the temperature of the intake air. When the iat is low, the resistance of the thermist ...

Diagnosis system
Bus check Select "bus check" from the "obd / mobd menu" screen. Hint: The ecus and sensors that are properly connected to the can communication system can be displayed using the intelligent tester via can vim. Press "enter" on the intelligen ...

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