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
Parts location
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 ...
Road test
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:
Precaution
If any of following conditions are met,
keep engine idling with a/c on (engine
speed at less than 2000 rpm) for at least 1
minute:
Refrigerant gas has been refilled or a/c parts have
been replaced.
A long time has elapsed since the engine was
stopped.
Notice:
If the engine s ...
Precaution
Check that the battery cables are connected to the
correct terminals.
Disconnect the battery cables if a quick charge is
given to the battery.
Do not perform tests with a high voltage insulation
resistance tester.
Never disconnect the battery while the engine is
running.
Check tha ...
System voltage
Description
The battery supplies electricity to the ecm even when the ignition switch is
in the off position. This
power allows the ecm to store data such as dtc history, freeze frame data and
fuel trim values. If the
battery voltage falls below a minimum level, the memory is cleared and ...
