Toyota RAV4 Service Manual: 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 airbag and seat belt pretensioner activation.
- Inspect instrument panel junction block
Notice:
The circuit opening relay is built into the instrument panel junction block.
- Measure the resistance between the terminals.
Standard resistance 
If the result is not as specified, replace the instrument panel junction block.
- Connect cable to negative battery terminal
Ig2 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 ...
ECM
Components
...
Other materials:
Terminals of ecm
Check ecm
Measure the voltage of the ecm connector.
Hint:
Each ecm terminal's standard voltage is shown in
the table below.
In the table, first follow the information under
"condition". Look under "symbols (terminal no.)"
For the terminals to be inspected. ...
Short in driver side squib circuit
Description
The driver side squib circuit consists of the center airbag sensor, the
spiral cable and the steering pad.
The circuit instructs the srs to deploy when the deployment conditions are met.
These dtcs are recorded when a malfunction is detected in the driver side squib
circui ...
Terminals of ecu
Check occupant classification ecu
Measure the voltage of the connector.
...