Toyota RAV4 (XA40) 2013-2018 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:
Sun visors and vanity
mirrors
Sun visors
Forward position:
flip down.
Side position:
flip down, unhook, and swing
to the side.
Side extender (if equipped):
place in side position then slide
backwards.
Vanity mirrors
Slide the cover to open.
The light turns on when the cover
is opened.
Notice
To ...
Deterioration of battery
Description
The ecm determines the battery power according to the voltage of the batt
terminal while the engine is
running (not cranking).
Inspection procedure
Inspect battery
Inspect the battery specific gravity.
Check the specific gravity of each cell.
Standard gravity: ...
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 ...
