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Home >> Infiniti >> 2024 >> Q50 Sensory, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (7 Of 7) >> Engine (ECM) >> P34C8 Electric Intake Valve Timing Control Module >> DTC Description
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DTC Description

DTC DETECTION LOGIC 

DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P34C8 Camshaft position control module
(Camshaft position control module performance)
Internal CPU error is detected.

POSSIBLE CAUSE 

Electric intake valve timing (IVT) control module

FAIL-SAFE 

NOTE: Any of the following fail-safe is applied.
Fail safe mode Vehicle behavior
Device fix mode
  • Fixes electric intake valve timing control motor in the reference position.
  • Fixes exhaust valve timing control solenoid valve in the reference position.
Combustion control mode No stratified charge combustion at starting (cold start).
Fail safe mode Vehicle behavior
Device fix mode
  • Fixes electric intake valve timing control motor in the reference position.
  • Fixes exhaust valve timing control solenoid valve in the reference position.
Combustion control mode
  • Stops feedback control of idle speed and controls with specified speed.
  • Stops recovery speed control by the fuel cut at decelerating and controls with specified speed.