Toyota RAV4 (XA40) 2013-2018 Service Manual: Dtc check / clear
- Check dtc
- Connect the intelligent tester (with can vim) to the dlc3.
- Turn the ignition switch on and turn the intelligent tester on.
- Select the following menu items: diagnosis / obd/mobd / immobiliser / dtc info / current codes.
- Check dtcs and then write them down.
Hint:
Refer to the intelligent tester operator's manual for further details.
- Confirm the details of the dtcs (see page ei-20).
- Clear dtc
- Connect the intelligent tester (with can vim) to the dlc3.
- Turn the ignition switch on (do not start the engine) and turn the intelligent tester on.
- Select the following menu items: diagnosis / obd/mobd / immobiliser / dtc info / clear codes.
Hint:
Refer to the intelligent tester operator's manual for further details.
- Erase dtcs by pressing the yes button on the tester.
Hint:
Refer to the intelligent tester operator's manual for further details.
Diagnosis system
Description
Engine immobiliser system data and diagnostic
trouble codes (dtcs) can be read through the
vehicle's data link connector 3 (dlc3). In some
cases, a malfunction may be occurr ...
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
trou ...
Other materials:
Catalyst system efficiency below threshold (bank 1)
Monitor description
The ecm uses sensors mounted in front of and behind the three-way catalytic
converter (twc) to
monitor its efficiency.
The first sensor, the air-fuel ratio (a/f) sensor, sends pre-catalyst
information to the ecm. The second
sensor, the heated oxygen (ho2) sensor, se ...
Open in one side of can branch line
Description
If 2 or more ecus and/or sensors do not appear on the intelligent tester's
"bus check" screen via the
can vim, one side of the can branch wire may be open. (One side of the canh
[branch wire] /canl
[branch wire] of the ecu and/or sensor is open.)
Wiring diagram
...
Check for open circuit
For an open circuit in the wire harness in fig. 1,
Check the resistance or voltage, as described below.
Check the resistance.
Disconnect connectors a and c, and measure
the resistance between them.
Standard resistance (fig. 2)
Hint:
Measure the resistance while lightly s ...
