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Home >> Infiniti >> 2021 >> Q60 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (7 Of 7) >> Engine (ECM) >> DTC P34C8: Electric Intake Valve Timing Control Module >> DTC Description >> Fail-Safe
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DTC Description: 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.