Nissan Rogue (T33) 2021-Present Service Manual: P155f Generator Voltage

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P155f Generator Voltage

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P155F 00

GENERATOR VOLTAGE

(GENERATOR VOLTAGE) 		Diagnosis condition Ignition switch ON
Signal (terminal) ECM power supply
Threshold Battery voltage measured by ECM above threshold.
Diagnosis delay time 20 seconds or more

POSSIBLE CAUSE

  • ECM

  • Generator

FAIL-SAFE

Engine Control System

Not applicable

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.

CONFIRMATION PROCEDURE

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

  1. Turn ignition switch OFF and wait at least 10 seconds.

  2. Turn ignition switch ON.

  3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.

>>

GO TO 2.

DTC CONFIRMATION PROCEDURE

  1. Start engine and let it idle for at least 20 seconds.

  2. Check DTC.

Is 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

CHECK CHARGE SYSTEM

Check charge system. Refer to Work Flow (With EXP-800 NI or GR8-1200 NI)or Work Flow (Without EXP-800 NI or GR8-1200 NI).

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Repair or replace the error-detected parts.

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