Pinout Values and Diagnostic Parameters

2ZR-FXE ENGINE CONTROL: SFI SYSTEM: TERMINALS OF ECM





HINT
The standard normal voltage between each pair of the ECM terminals is shown in the table below. The appropriate conditions for checking each pair of the terminals are also indicated. The result of checks should be compared with the standard normal voltage for that pair of the terminals, and displayed in the "Specified Condition" column. The illustration above can be used as a reference to identify the ECM terminal locations.

















HINT
*1: The ECM terminal voltage is constant regardless of the output voltage from the sensor.

1. WAVEFORM 1





Igniter IGT Signal (from ECM to Igniter) and Igniter IGF Signal (from Igniter to ECM)





HINT
The wavelength becomes shorter as the engine speed increases.

2. WAVEFORM 2





Crankshaft Position Sensor and Camshaft Position Sensor Signal





HINT
The wavelength becomes shorter as the engine speed increases.

3. WAVEFORM 3





No. 1 (to No. 4) Fuel Injector Assembly Signal





HINT
The wavelength becomes shorter as the engine speed increases.

4. WAVEFORM 4





Air Fuel Ratio Sensor (Sensor 1) Heater Signal





HINT
The wavelength varies in accordance with the engine operating condition.

5. WAVEFORM 5





Heated Oxygen Sensor (Sensor 2) Signal





HINT
In the Data List, the items O2S B1S2 show the values input to the ECM from the heated oxygen sensor.

6. WAVEFORM 6





Knock Control Sensor Signal





HINT
* The wavelength becomes shorter as the engine speed increases.
* The waveforms and amplitudes displayed differ slightly depending on the vehicle condition.

7. WAVEFORM 7





Throttle Actuator Positive Terminal Signal





HINT
The duty ratio varies depending on the throttle actuator operation.

8. WAVEFORM 8





Throttle Actuator Negative Terminal Signal





HINT
The duty ratio varies depending on the throttle actuator operation.

9. WAVEFORM 9





Purge VSV





HINT
If the waveform is not similar to the illustration, check the waveform again after idling for 10 minutes or more.

10. WAVEFORM 10





Engine Speed Signal





HINT
The wavelength becomes shorter as the engine speed increases.

11. WAVEFORM 11





Camshaft Timing Oil Control Valve Assembly Signal





12. WAVEFORM 12





CAN Communication Signal (Reference)





HINT
The waveform varies depending on the CAN communication signal.

13. WAVEFORM 13





CAN Communication Signal (Reference)





HINT
The waveform varies depending on the CAN communication signal.

14. WAVEFORM 14





Engine Water Pump Assembly Signal (from ECM to Engine Water Pump Assembly)





HINT
The wavelength becomes shorter as the engine water pump assembly speed increases.

15. WAVEFORM 15





Engine Water Pump Assembly Signal (from Engine Water Pump Assembly to ECM)





HINT
The wavelength becomes shorter as the engine water pump assembly speed increases.

16. WAVEFORM 16





EGR Valve Assembly Signal





17. WAVEFORM 17





Camshaft Revolution Signal from ECM to Power Management Control ECU and Inverter with Converter Assembly (MG ECU)





HINT
The wavelength becomes shorter as the engine speed increases.