Toyota RAV4 Service Manual: Communication
Description
The skid control ecu sends signals such as cruise control cancel demand signals and brake operation demand from ecm response signals to the ecm when the cruise control system is in operation.
Inspection procedure
Hint:
This circuit uses can communication. Therefore, if there are any malfunctions in the communication circuit, one or more dtcs in the can communication system are output.
- Check can communication system
Refer to how to proceed with troubleshooting (see page ca-8).
Description
Therefore, if the skid control ecu detects a communication error from the ecm, it sends a malfunction signal back to the ecm.
Inspection procedure
Hint:
This circuit uses can communication. Therefore, if there are any malfunctions in the communication circuit, one or more dtcs in the can communication system are output.
- Check can communication system
Refer to how to proceed with troubleshooting (see page ca-8).
Brake system malfunction
Description
This dtc is output when the vsc system has a problem. Check the vsc system
when this dtc is
output.
Inspection procedure
Hint:
This circuit uses can communication. Therefore ...
Cruise control switch circuit
Description
This circuit sends signals to the ecm depending on the cruise control switch
condition. The battery
supplies positive (+) battery voltage to the cruise control switch. Then
terminal ...
Other materials:
Installation
Install ignition switch assembly
Install the ignition switch with the 2 screws.
Install the ignition key cylinder light connector.
Install the ignition switch connector.
Install steering column cover lower
Attach the 4 claws to install the steering column
l ...
Curtain shield airbag assembly
Components
On-vehicle inspection
Check curtain shield airbag assembly (vehicle not involved in
collision)
Perform a diagnostic system check (see page rs-
49).
With the curtain shield airbag assembly installed on
the vehicle, perform a visual check. If any of the
defects ...