DTC Description
DTC DETECTION LOGIC
| DTC | CONSULT screen terms(Trouble diagnosis content) | DTC detection condition | ||
| P34C8 | 00 | Camshaft position control module(Camshaft position control module performance) | Diagnosis condition | Ignition switch ON |
| Signal (terminal) | - | |||
| Threshold | Internal CPU error is detected | |||
| Diagnosis delay time | 1 second or more | |||
POSSIBLE CAUSE
Electric intake valve timing (IVT) control module
FAIL-SAFE
| Engine operating condition in fail-safe mode | ||
|---|---|---|
| Fail safe mode | Vehicle behavior | |
| Device fix mode |
|
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| Combustion control mode | Idle speed control | Stops feedback control of idle speed and controls with specified speed. |
| Recovery speed control at decelerating | Stops recovery speed control by the fuel cut at decelerating and controls with specified speed. | |
| Others | ECM stops the electric valve timing control. (The camshaft returns to the position of most retard angle.) | |
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
- Turn ignition switch ON and wait at least 5 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