- a) The engine is warmed up to normal operating temperature.
- b) The air filter is installed
- c) All air intake system tubes and hoses are connected
- d) All vacuum lines are connected.
- d) The injection system wiring connectors are connected.
- e) All additional equipment is switched off
- g) The ignition timing angle is set correctly.
- c) The gear lever is in neutral position.
Note: This test is only used to ensure that the idle mixture ratio is adjusted correctly (by the content of CO and CH in OG).
2. (Only 3S-GE, 5E-FE) Check the operation of the oxygen sensor.
- a) Using a jumper, short-circuit the "TE1" and "E1" terminals of the diagnostic connector.
- b) Connect the positive (+) probe of the voltmeter to the "VF1" terminal of the diagnostic connector, and the negative (-) probe to the "E1" terminal.
- c) Set the engine speed to 2500 rpm and hold it for 120 seconds.
- d) Then the voltmeter needle should fluctuate between 0 and 5 V.
- Minimum oscillation of the voltmeter needle: 8 times within every 10 seconds.
- If the vibration is less than expected, check the air intake system or injection system.
- d) Remove the jumper from the diagnostic connector.
3. Start the engine.
4. Increase the engine speed to 2500 rpm and maintain this speed for approximately 120-180 seconds
5. Insert the gas analyzer probe into the exhaust pipe to a depth of 40 cm
6 Check the CO/CH concentration at idle.
- CO concentration at idle speed - 0-0.5%