Toyota RAV4 (XA40) 2013-2018 Service Manual: Check mode procedure
Hint:
Intelligent tester only:
compared to normal mode, check mode is more sensitive to
malfunctions. Therefore, check mode can detect the
malfunctions that cannot be detected by normal mode.
Notice:
All the stored dtcs and freeze frame data are erased if:
- The ecm is changed from normal mode to check mode
or vice versa;
- Or the ignition switch is turned from on
to acc or off while in check mode. Before changing
modes, always check and make a note of any dtcs and
freeze frame data.
- Check mode procedure (using intelligent
tester)

- Check and ensure the following conditions:
- Battery positive voltage 11 v or more.
- Throttle valve fully closed.
- Transmission in the p or n position.
- A/c switch off.
- Turn the ignition switch off.
- Connect the intelligent tester to the dlc3.
- Turn the ignition switch on.
- Turn the tester on.
- Select the following menu items: diagnosis /
enhanced obd ii/ check mode.
- Switch the ecm from normal mode to check mode.
Make sure the mil flashes as shown in the
illustration.
- Start the engine.
- Make sure the mil turns off.
- Simulate the conditions of the malfunction described
by the customer.
- Check dtcs and freeze frame data using the tester.
Description
Freeze frame data records the engine conditions (fuel
system, calculated load, engine coolant temperature,
fuel trim, engine speed, vehicle speed, etc.) When a
malfunction is dete ...
If any of the following dtcs are set, the ecm enters fail-safe
mode to allow the vehicle to be driven temporarily.
Hint:
*: The vehicle can be driven slowly when the accelerator
pedal is depre ...
Other materials:
AHB (Automatic High
Beam)
The Automatic High Beam
uses an in-vehicle front
camera to assess the brightness
of streetlights, the
lights of vehicles ahead etc.,
and automatically turns the
high beams on or off as necessary.
WARNING
â– Limitations of the Automatic
High Beam
Do not overly rely on the Automatic
High Beam. Always ...
Downhill assist control operation switch (test mode dtc)
Description
The downhill assist control switch is connected to the skid control ecu in
the abs and traction
actuator.
Dtc c1379/74 can be detected when the downhill assist control switch sends the
downhill assist control
switch signal or test mode ends. Dtc c1379/74 is output only in t ...
Armrest
Fold down the armrest for use.
NOTICE
â– To prevent damage to the
armrest
Do not apply too much load on the
armrest.
Assist grips
An assist grip installed on the
ceiling can be used to support
your body while sitting on the
seat.
WARNING
â– Assist grips
Do not use the assist grip when
getting in o ...