Toyota RAV4 (XA40) 2013-2018 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:
Center airbag sensor assembly communication circuit malfunction
Description
The center airbag sensor communication circuit consists of the occupant
classification ecu and the
center airbag sensor.
Dtc b1790 is recorded when a malfunction is detected in the center airbag sensor
communication circuit.
Wiring diagram
Inspection procedure
Hin ...
How to proceed with troubleshooting
Hint:
Use these procedures to troubleshoot the key reminder
warning system.
*: Use the intelligent tester.
Vehicle brought to workshop
Inspect battery voltage
Standard voltage:
11 to 14 v
Hint:
If the voltage is below 11 v, recharge or replace the battery
before proceedi ...
How to proceed with troubleshooting
Hint:
Use these procedures to troubleshoot the sliding roof
system.
*: Use the intelligent tester.
Vehicle brought to workshop
Inspect battery voltage
Standard voltage:
11 to 14 v
If the voltage is below 11 v, recharge or replace the battery
before proceeding.
Inspe ...
