Toyota RAV4 (XA40) 2013-2018 Service Manual: How to proceed with troubleshooting
Hint:
- Use these procedures to troubleshoot the vehicle stability 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 and clear dtc*
- Problem symptom confirmation
Result 
- Symptom simulation
- Check communication function of controller area network (can)*
- Use the intelligent tester to check for normal functioning of the can communication system.
- Perform bus check (communication malfunction dtc).
Result 
- Check for dtc*
Result 
- Problem symptoms table
Result
- Overall analysis and troubleshooting
- Terminals of ecu (see page bc-41)
- Data list / active test (see page bc-52)
- Check for fluid leakage
- Repair or replace
- Confirmation test
End
System description
System description
Hint:
The skid control ecu forms a single unit with the abs
and traction actuator.
Abs (anti-lock brake system):
the abs helps prevent the wheels from locking
when t ...
Check for intermittent problems
Check for intermittent problems
Hint:
A momentary interruption (open circuit) in the connectors
and/or wire harness between the sensors and ecus can
be detected by using the ecu data list fun ...
Other materials:
Manual shifting test
Manual shifting test
Hint:
Through this test, it can be determined whether the
trouble occurs in the electrical circuit or if it is a
mechanical problem in the transaxle.
If any abnormalities are found in the following test, the
problem is in the transaxle itself.
Disconnect ...
Internal control module random access memory (ram) error
Description
The ecm continuously monitors its own internal memory status, internal
circuits, and output signals
transmitted to the throttle actuator. This self-check ensures that the ecm is
functioning properly. If any
malfunction is detected, the ecm sets the appropriate dtc and illumina ...
Fuel tank cap
Inspection
Inspect fuel tank cap assembly
Visually check that the cap and gasket are not
deformed or damaged.
If the result is not as specified, replace the cap
assembly or gasket.
Remove the gasket from the exhaust manifold.
...
