Toyota RAV4 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:
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The air conditioning system has the following
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In accordance with the temperature set using the
temperature control switch, the air conditioning
amplifier determines the outlet temperature
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In addition, corre ...
Abs and traction actuator (skid control ecu) communication stop mode
Description
Wiring diagram
Inspection procedure
Notice:
Turn the ignition switch off before measuring the resistances
of the main wire and the branch
wire.
After the ignition switch is turned off, check that the key
reminder warning system and light
reminder warning system ...
Diagnosis system
Description
The ecm controls the function of cruise control on this
vehicle. Data of the cruise control or dtc can be read
from the dlc3 of the vehicle. When trouble occurs with
cruise control, check that the cruise main indicator
does not come on but dtc inspection is performed.
Theref ...