Hint:
Performing an active test enables components including the relays, vsv (vacuum switching valve) and actuators, to be operated without removing any parts.
The active test can be performed with the intelligent tester. Performing the active test as the first step of troubleshooting is one method of shortening diagnostic time.
Data list can be displayed during active test.
Hint:
*: When cranking the engine, each cylinder measures the engine rpm.
In this active test, the fuel and ignition of all cylinders is cut, and cranking occurs for approximately 10 seconds. Then, each cylinder measures the engine rpm. If a cylinder's engine rpm is higher than the others, that cylinder's compression pressure is compared to the others, and whether or not the compression pressure is low can be determined.
Hint:
If the results are not displayed normally, select the display items from the data list before performing the active test. Select the following menu items: diagnosis / enhanced obd ii / data list / user data / eng speed #1 and eng speed #2, eng speed #3, eng speed #4 (press the yes button to change the eng speed #1 to #4 is yes) and then press the enter button.
Hint:
After performing the above procedure, the active test's compress check will start. Fuel injection for all cylinders is prohibited, and the each cylinder's engine rpm measurement will enter standby.
Hint:
At first, the tester's display will show each cylinder's engine rpm measurement to be extremely high. After approximately 10 seconds of engine cranking, each cylinder's engine rpm measurement will change to the actual engine rpm.
Notice:
Terminals of ecu (2006/01- )
Check air conditioning amplifier
Measure the voltage and resistance of the
connectors.
Hint:
Check from the rear of the connector while it is
connected to the air conditioning amplifier.
Hint:
*: For 2gr-fe
Using an oscilloscope, check waveform 1.
Can communi ...
Using the automatic air conditioning system
Press .
The dehumidification function begins to operate. Air outlets and fan speed
are automatically adjusted according to the temperature setting and
humidity.
Turn clockwise to
increases the temperature and turn
counterclockwise to decreases
the temperature.
T ...
4Wd control ecu communication stop mode
Description
Hint:
For vehicle with 4wd only.
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 ...