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Nissan Sentra B18 (2020-2025) Service Manual: P062d Ecm

Dtc Description

DTC Description

This DTC is detected when the ECM-integrated injector driver unit has a malfunction.

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P062D

ECM

(Internal control module fuel injector control performance)

Diagnosis condition

Engine running at idle

Signal (terminal)

—

Threshold

Injector driver unit is malfunctioning

Diagnosis delay time

—

POSSIBLE CAUSE

  • Harness or connectors (Fuel injector circuit is open or shorted.)

  • Battery power supply

  • ECM (Injector driver unit)

FAIL-SAFE

Engine Control System

Not applicable

Idle Start/Stop System

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

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

Confirmation Procedure

Confirmation Procedure

  1. PRECONDITIONING

    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 11 V or more at idle.

    >>

    GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE

    1. Start the engine and keep the engine speed at idle for 30 seconds.

    2. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES >>

    Proceed to DTC Diagnosis Procedure.

    NO >>

    INSPECTION END

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

  1. CHECK FUEL INJECTOR

    Check fuel injector. Refer to Component Function Check.

    Is inspection result normal?

    YES >>

    GO TO 2.

    NO >>

    Repair or replace error-detected parts.

  2. PERFORM DTC CONFIRMATION PROCEDURE

    1. Turn ignition switch ON.

    2. Erase DTC.

    3. Perform DTC confirmation procedure again. Refer to Confirmation Procedure.

    4. Check 1st trip DTC.

    Is the DTC P062D displayed again?

    YES >>

    Replace ECM. Refer to ECM : Removal & Installation.

    NO >>

    INSPECTION END

    P062b Ecm
    Dtc Description DTC Description This DTC is detected when the ECM-integrated injector driver unit has a malfunction. DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagno...
    P062f Ecm
    Dtc Description DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P062F 00 CONTROL MODULE (Internal control module...

    Other materials:

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    Frp Control System
    Component Inspection Component Inspection CHECK HIGH PRESSURE FUEL PUMP-1 Turn ignition switch OFF. Disconnect high pressure fuel pump harness connector. Check the resistance between high ...

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