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:
Air mix damper control servo motor circuit (passenger side)
Description
The air mix damper servo sends pulse signals to indicate the damper position
to the air conditioning
amplifier. The air conditioning amplifier activates the motor (normal or
reverse) based on these signals to
move the air mix damper (passenger seat) to the appropriate position ...
Operation check
Check electrical door lock operation
Check the basic function.
Check that all doors lock when the door control
switch (for manual operation) is turned to lock
and all doors unlock when turned to unlock.
Check that all doors lock when the driver side
door lock key cylinder is t ...
Occupant classification sensor power supply circuit malfunction
Description
The occupant classification sensor power supply circuit consists of the
occupant classification ecu and
the occupant classification sensors.
Dtc b1793 is recorded when a malfunction is detected in the occupant
classification sensor power
supply circuit.
Wiring diagram
...
