Toyota RAV4 (XA40) 2013-2018 Service Manual: How to proceed with troubleshooting
Hint:
- Use these procedures to troubleshoot the cruise control
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.

- Check communication function of can communication system*
- Use the intelligent tester (with can vim) to check if the
can communication system is functioning normally.
Result: 

- Check indicator light
- Check dtc*
- Check for a dtc and note any codes that are output.
- Delete the dtc.
- Recheck for dtcs, and try to prompt the dtc by
simulating the original activity that the dtc suggests.
Result 




- Overall analysis and troubleshooting*
- Terminals of ecm (see page cc-13)
- Data list / active test (see page cc-17 )

- Repair or replace

- Confirmation test

End
System diagram
System description
Cruise control system
This system is controlled by the ecm, and is activated by
the throttle position sensor and motor. The ecm controls
the ...
Inspect set switch
Push the main switch on.
Drive at a desired speed (40 km/h (25 mph) or
higher).
Inspect "+" switch
Push the main switch button on.
D ...
Other materials:
Problem symptoms table
Hint:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms
are listed in order of probability in the "suspected area"
column of the table. Check each symptom by checking the
suspected areas in the order they are listed. Re ...
Vc output circuit
Description
The ecm constantly generates 5 v power from the battery voltages supplied to
the +b (batt) terminal to
operate the microprocessor. The ecm also provides this power to the sensors
through the vc output
circuit.
When the vc circuit is short-circuited, the microprocessor in the ...
Components
...