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:
Thermostat
Components
Removal
Remove no. 1 Engine under cover
Drain engine coolant (see page co-6)
Remove radiator support opening cover
Disconnect no. 2 Radiator hose
Remove water inlet
Remove the 2 nuts and disconnect the water inlet
from the cylinder block.
Remove thermostat
...
Components
...
Terminals of ecu
Check transponder key amplifier
Disconnect the e5 amplifier connector.
Measure the resistance of the wire harness side
connector.
If the result is not as specified, there may be a
malfunction in the wire harness.
Reconnect the e5 amplifier connector.
Measure the resist ...