P0340

DTC P0340 CAMSHAFT POSITION SENSOR "A" CIRCUIT (BANK 1 OR SINGLE SENSOR)

1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of the camshaft position sensor.
Judge as NG when the number of camshaft signals remains abnormal.

2. COMPONENT DESCRIPTION

Component Description:

3. ENABLE CONDITIONS

Enable Conditions:

4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.

5. DIAGNOSTIC METHOD

Abnormality Judgment 1
Judge as NG when the condition where the number of camshaft position sensor signals are less than 3 time(s) during 2 engine revs. continues.






Time Needed for Diagnosis: Two engine revs. x 50 time(s)

Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

Normality Judgment 1
Judge as OK and clear the NG when the malfunction criteria below are met.






Time Needed for Diagnosis: Two engine revs.

Abnormality Judgment 2
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.






Time Needed for Diagnosis: 3000 ms

Normality Judgment 2
Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.






Time Needed for Diagnosis: Less than 1 second