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:

Brake Hold
The brake hold system keeps the brake applied when the shift lever is in D, S or N with the system on and the brake pedal has been depressed to stop the vehicle. The system releases the brake when the accelerator pedal is depressed with the shift lever in D or S to allow smooth start off. Enabling t ...

Passenger side buckle switch circuit malfunction
Description The passenger side buckle switch circuit consists of the occupant classification ecu and the front seat inner belt rh. Dtc b1771 is recorded when a malfunction is detected in the passenger side buckle switch circuit. Troubleshoot dtc b1771 first when dtcs b1771 and b1795 ...

Catalyst system efficiency below threshold (bank 1)
Monitor description The ecm uses sensors mounted in front of and behind the three-way catalytic converter (twc) to monitor its efficiency. The first sensor, the air-fuel ratio (a/f) sensor, sends pre-catalyst information to the ecm. The second sensor, the heated oxygen (ho2) sensor, se ...