Nissan Rogue (T33) 2021-Present Service Manual: P155b Energy Management Control

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P155b Energy Management Control

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P155B 00

Electrical energy management system

(Electrical energy management system) 		Diagnosis condition Ignition switch ON
Signal (terminal) ECM power supply
Threshold Battery voltage measured by ECM below or above threshold.
Diagnosis delay time 20 seconds or more

POSSIBLE CAUSE

  • Harness or connectors

  • ECM

  • IPDM E/R

  • Battery

  • Generator

FAIL-SAFE

Not applicable

CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

If DTC P155B is displayed with DTC P155E and P155F first perform the trouble diagnosis for DTC P155E and P155F.

Which DTC is detected?

YES>>

Perform diagnosis of applicable.

  • DTC P155E: Refer to DTC Description.

  • DTC P155F: Refer to DTC Description.

NO>>

GO TO 2.

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 3.

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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