Diagnostic Method
- Idle speed diagnosis
Judge as NG when the following conditions are established.
JUDGMENT VALUE SPECIFICATION
| Malfunction Criteria | Threshold Value |
|---|---|
| Actual engine speed - Target engine speed | < -300rpm |
time needed for diagnosis: 6000 ms
Malfunction indicator light illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.
- Final ignition timing diagnosis
Judge as NG when the following conditions are established.
JUDGMENT VALUE SPECIFICATION
| Malfunction Criteria | Threshold Value |
|---|---|
| Final ignition timing - ignition timing during CSERS* *: Ignition timing during CSERS (Cold Start Emission Reduction Strategy) = Base ignition timing - retard amount | >6°CA |
time needed for diagnosis: 6000 ms
Malfunction indicator light illumination: Illuminates as soon as a malfunction occurs.