Toyota RAV4 Service Manual: Integration 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 airbag and seat belt pretensioner activation.
- Inspect integration relay
Notice:
- The efi relay is built into the integration relay (unit a: efi main).
- Some relays are built into the integration relay.
The integration relay cannot be disassembled. If there is a malfunction in the circuit of the integration relay, replace the integration relay.
- Using a screwdriver, detach the 2 claws and disconnect the integration relay from the no. 1 Engine room junction block.
Hint:
Tape the screwdriver tip before use.
- Disconnect the 3 connectors from the integration relay.
- Inspect the efi relay.
- Check the resistance of the efi main fuse.
If the result is not as specified, replace the efi main fuse.
- Measure the resistance of the integration relay.
Standard resistance 
If the result is not as specified, replace the integration relay.
- Connect cable to negative battery terminal
Installation
Install knock sensor
Install the sensor with the nut.
Torque: 20 n*m (205 kgf*cm, 15 ft.*Lbf)
Notice:
Make sure that the knock sensor is in the
correct position.
Connect the sen ...
Ig1 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 ...
Other materials:
System description
General
The front passenger occupant classification system
judges whether the front passenger seat is occupied
or not in accordance with the seat belt buckle
status; and whether the seat is occupied by an adult
or child (with child seat) in accordance with the load
that is applied ...
Center airbag sensor assembly malfunction
Description
The center airbag sensor consists of the airbag sensor, the safing sensor,
the drive circuit, the diagnosis
circuit and the ignition control.
If the center airbag sensor receives signals from the airbag sensor, it
determines whether or not the srs
should be activated.
Dt ...
System description
Brief description
The can (controller area network) is a serial data
communication system for real time application. It is
a vehicle multiplex communication system which
has a high communication speed (500 kbps) and
the ability to detect malfunctions.
By pairing the canh and canl ...
