DTC - General Descriptions

DTC P0019 CRANK AND CAM TIMING B SYSTEM FAILURE (BANK 2)

1. OUTLINE OF DIAGNOSIS
Detect the exhaust AVCS system malfunction.
Judge as NG when the timing advance is outside the normal range.

2. COMPONENT DESCRIPTION






3. ENABLE CONDITIONS






4. GENERAL DRIVING CYCLE
Perform the diagnosis continuously after starting engine and while exhaust AVCS is not operating.

5. DIAGNOSTIC METHOD
Judge as NG when the camshaft sensor input position is not within the normal range.

- Abnormality Judgment
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value






Time Needed for Diagnosis: 20000 ms
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

- Normality Judgment
Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgment Value





Time Needed for Diagnosis: 1000 ms

6. DTC CLEAR CONDITION
- When the OK idling cycle is completed 40 times in a row
- When "Clear Memory" is performed

7. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
- When the OK driving cycle is completed 3 times in a row
- When "Clear Memory" is performed

8. FAIL SAFE
None

9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)