Nissan Rogue (T33) 2021-Present Service Manual: P0a1e Sub Starter & Generator

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P0a1e Sub Starter & Generator

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P0A1E 00

Starter/generator control module

(Starter/generator control module) 		Diagnosis condition Engine running at idle
Signal (terminal) CAN communication signal
Threshold Less than 5.5 V, or more than 17.5 V
Diagnosis delay time 10 seconds or more

POSSIBLE CAUSE

Sub starter & 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.

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Start the engine and let it idle and wait for 10 seconds or more.

  2. Perform “Self Diagnostic Result” mode of “ECM”.

Is DTC detected?

YES>>

Refer to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: Inspection end.

Diagnosis Procedure

CHECK CAN COMMUNICATION CIRCUIT

Perform the trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart.

Is inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace error-detected parts.

CHECK DTC WITH SUB STARTER & GENERATOR

Check DTC with sub starter & generator. Refer to CONSULT Function (SUB STARTER & GENERATOR).

Is DTC C1C90-49 detected?

YES>>

GO TO 3.

NO>>

Repair or replace error-detected parts.

CHECK SUB STARTER & GENERATOR

Check sub starter & generator. Refer to Diagnosis Procedure.

Is inspection result normal?

YES>>

INSPECTION END

NO>>

Repair or replace error-detected parts.

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