Diagnostic Method
Judge as OK and clear the NG when the malfunction criteria below are met.
JUDGMENT VALUE CHART
| Malfunction Criteria | Threshold Value |
|---|---|
| (1) Monitoring IC operation | The result and estimated value match. |
| (2) | Throttle position sensor 1 opening angle - (Throttle position sensor 1 opening angle after passing amplifier)/4 | | < 3 ° |
| (3) Main CPU calculation result | The result and estimated value match. |
| (4) | Standard voltage - Voltage reading | | < 0.078125 V |
| (5) EEPROM writing | Writing completed |
| (6) Communication with output IC | Possible to communicate |
Time Needed for Diagnosis:
- 200 ms
- 24 ms
- 192 ms
- 200 ms
- 48 ms
- 2500 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.