Toyota RAV4 (XA40) 2013-2018 Service Manual: ECM

Circuit opening relay

On-vehicle inspection Disconnect cable from negative battery terminal Caution: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airb ...

Removal

Disconnect cable from negative battery terminal Caution: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt preten ...

Other materials:

System voltage
Description The battery supplies electricity to the ecm even when the ignition switch is in the off position. This power allows the ecm to store data such as dtc history, freeze frame data and fuel trim values. If the battery voltage falls below a minimum level, the memory is cleared and ...

Transmitter id
Description The tire pressure warning valve and transmitter that is installed in the tires and wheels measures the air pressure of the tires. The measured values are transmitted to the tire pressure warning receiver on the body as radio waves and then sent to the tire pressure warning ecu ...

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 ...