Diagnostic Method
When the conditions during which the differences of AVCS target timing advance amount and AVCS actual timing advance amount is large continues for certain amount of time.
Judge as NG when the following conditions are established within the predetermined time.
JUDGMENT VALUE SPECIFICATION
| Malfunction Criteria | Threshold Value |
|---|---|
|Vtd| Vtd = VVT target position - VVT actual position |
> 10°CA |
|Vtd| |
> 10°CA |
Time Needed for Diagnosis:
- Normal: 10 seconds
- Intermediate lock: 2 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.