Toyota RAV4 (XA40) 2013-2018 Service Manual: Dtc check / clear
Notice:
When the diagnosis system is changed from normal mode to check mode or vice versa, all dtcs and freeze frame data recorded in normal mode are erased. Before changing modes, always check and make a note of any dtcs and freeze frame data.
Hint:
- Dtcs which are stored in the ecm can be displayed on the intelligent tester. The intelligent tester can display current and pending dtcs.
- Some dtcs are not set if the ecm does not detect the same malfunction again during a second consecutive driving cycle. However, such malfunctions, detected on only one occasion, are stored as pending dtcs.
- Check dtc (using intelligent tester)
- 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 / dtc info / current codes or pending codes.
- Check the dtc(s) and freeze frame data, and then write them down.
- Check the details of the dtc(s) (see page es-51).
- Clear dtc (using intelligent tester)
- 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 / dtc info / clear codes.
- Press the yes button.
- Clear dtc (without using intelligent tester)
- Perform either of the following operations.
- Disconnect the cable from the negative (-) battery terminal for more than 1 minute.
- Remove the efi and etcs fuses from the engine room relay block (located inside the engine compartment) for more than 1 minute.
Diagnosis system
Description
When troubleshooting obd ii (on-board diagnostics)
vehicles, the intelligent tester (complying with sae
j1987) must be connected to the dlc3 (data link
connector 3) of the vehicle ...
Freeze frame data
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 ...
Other materials:
Winter driving tips
Carry out the necessary preparations and inspections before
driving the vehicle in winter. Always drive the vehicle in a manner
appropriate to the prevailing weather conditions.
Preparation for winter
Use fluids that are appropriate to the prevailing outside temperatures.
Engine oil
E ...
Defogging the windshield
Press .
The dehumidification function
operates and fan speed increases.
Set the outside/recirculated air
mode button to outside air mode if
the recirculated air mode is used.
(It may switch automatically.)
To defog the windshield and the
side windows early, turn the air
flow and t ...
Intake air temperature sensor gradient too high
Description
The intake air temperature (iat) sensor, mounted on the mass air flow (maf)
meter, monitors the iat.
The iat sensor has a built-in thermistor with a resistance that varies according
to the temperature of the
intake air. When the iat is low, the resistance of the thermist ...
