DTC Description
DTC DETECTION LOGIC
| DTC | CONSULT screen terms(Trouble diagnosis content) | DTC detection condition | |||
| P34AF | 00 | A camshaft posi actuator posi sens B1(A camshaft position actuator position sensor A circuit high Bank 1) | Diagnosis condition | Engine speed: 600 - 3, 000 rpm | |
| Signal (terminal) | Electric intake valve timing control position sensor signal | ||||
| Threshold | An excessively high voltage from the sensor is sent to the electric IVT control module | ||||
| Diagnosis delay time | 1 second or more | ||||
POSSIBLE CAUSE
- Harness or connectors [Electric intake valve timing (IVT) control actuator circuit is open or shorted.]
- Electric IVT control actuator (position sensor)
FAIL-SAFE
| Engine operating condition in fail-safe mode | ||
|---|---|---|
| Fail safe mode | Vehicle behavior | |
| Device fix mode |
|
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| Combustion control mode | Stratified charge combustion control at starting | No stratified charge combustion at starting (cold start). |
DTC CONFIRMATION PROCEDURE
- PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
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GO TO 2.
- PERFORM DTC CONFIRMATION PROCEDURE
- Maintaining engine speed at more than 2000 rpm for at least 1 seconds.
- Check 1st trip DTC.
Is 1st trip DTC detected?
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Proceed to Diagnosis Procedure .
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To check malfunction symptom before repair: Refer to Intermittent Incident .
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Confirmation after repair: INSPECTION END