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:
Data list / active test
Read data list
Hint:
Using the intelligent tester's data list allows switch,
sensor, actuator and other item values to be read without
removing any parts. Reading the data list early in
troubleshooting is one way to save time.
Connect the intelligent tester (with can vim) to the
...
Cleaning and protecting
the vehicle exterior
Perform the following to protect the vehicle and maintain it in
prime condition:
Working from top to bottom, liberally apply water to the vehicle
body, wheel wells and underside of the vehicle to remove any dirt
and dust.
Wash the vehicle body using a sponge or soft cloth, such as a
cha ...
Stuck in deceleration sensor
Description
The skid control ecu receives signals from the yaw rate and deceleration
sensor via the can
communication system.
The yaw rate sensor has a built-in deceleration sensor and detects the vehicle's
condition using 2 circuits
(gl1: g sensor 1, gl2: g sensor 2).
If there is t ...