Toyota RAV4 (XA40) 2013-2018 Service Manual: How to proceed with troubleshooting
Hint:
Use these procedures to troubleshoot the engine immobiliser 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.
- crank engine for more than 10 seconds
- Check for dtc*
- Check for dtcs and make a note of any codes that are output (see page ei-18).
- Clear the dtc.
- Recheck for dtcs. Based on the dtc output above, try to cause the output of the same sfi system dtc or engine immobiliser system dtc by simulating the original activity indicated by the dtc.
Result: 
- Problem symptoms table
Result: 
- Overall analysis and troubleshooting*
- Data list / active test (see page ei-19)
- Terminals of ecu (see page ei-13)
- Inspection (see page ei-43)
- Adjust, repair or replace
- Confirmation test
End
System description
Engine immobiliser system description
The engine immobiliser system is designed to prevent
the vehicle from being stolen. This system uses a
transponder key ecu that stores the key codes of
a ...
Registration
Hint:
The key has 2 codes: the key code (immobiliser code) and
the wireless code (recognition code). Both of these codes
need to be registered. For wireless code registration
procedures, refer to ...
Other materials:
Unlock warning switch
Inspection
Inspect unlock warning switch assembly
Measure the resistance of the switch.
Standard resistance
If the result is not as specified, replace the switch
assembly.
Ecu power source circuit
Description
This circuit provides power to operate the transponder key ecu.
Wir ...
Precaution
Handling precaution
When handling the electronic parts:
Avoid any impact to electronic parts such as
ecus and relays. Replace with new ones if
dropped or subjected to a severe blow.
Do not expose any electronic parts to high
temperatures and humidity.
Do not touch the connec ...
Customize parameters
Customizing function with intelligent
tester (reference)
Hint:
The following item can be customized.
Notice:
When the customer requests a change in a
function, first make sure that the function can be
customized.
Make a note of the current settings before
customizing.
When tr ...
