Nissan Rogue (T33) 2021-Present Service Manual: P34c8 Electric Intake Valve Timing Control Module

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

POSSIBLE CAUSE

Electric intake valve timing (IVT) control module

FAIL-SAFE

Engine Control System

Fail safe mode Nissan Ariya Vehicle behavior
Device fix mode
  • This mode fixes the electric IVT control actuator and the EVT control solenoid valve in the reference position.

  • A control signals is not transmitted to the EGR volume control valve and the EGR volume control is deactivated.

Combustion control mode Stratified charge combustion control at starting No stratified charge combustion at starting (cold start).

or

Fail safe mode Nissan Ariya Vehicle behavior
Device fix mode
  • This mode fixes the electric IVT control actuator and the EVT control solenoid valve in the reference position.

  • A control signals is not transmitted to the EGR volume control valve and the EGR volume control is deactivated.

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.
Idle neutral control Stops idle neutral control.

Stop/Start System

When a DTC is detected, the stop/start indicator lamp blinks slowly and the stop/start system operation is prohibited.

When ECM detects error while operating the stop/start system, ECM restarts the engine.

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.

>>

GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON and wait at least 5 seconds.

  2. Check 1st trip DTC.

Is 1st trip DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO-1>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO-2>>

Confirmation after repair: INSPECTION END

DTC Diagnosis Procedure

REPLACE ELECTRIC INTAKE VALVE TIMING (IVT) CONTROL MODULE

Replace electric IVT control module. Refer to ELECTRIC INTAKE VALVE TIMING CONTROL MODULE : Removal & Installation.

>>

INSPECTION END

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