S Nissan Sentra Manuals Library
Factory-style information for owners and repair work

Nissan Sentra techinfo

Find Nissan Sentra owner information, maintenance instructions, technical references, service procedures and useful repair pages in one clean online library.

Quick access Sentra Docs
B18 Owner's 2020-2025 Sentra owner information B18 Service 2020-2025 Sentra Workshop manual B17 Owner's 2013-2019 Sentra owner documentation B17 Service 2013-2019 Sentra service information

Nissan Sentra B18 (2020-2025) Service Manual: P061b Ecm

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P061B

CONTROL MODULE

(Internal Control Module Torque Calculation Performance)

Diagnosis condition

Engine running

Signal (terminal)

—

Threshold

Malfunction of ECM processor

Diagnosis delay time

—

POSSIBLE CAUSE

  • Harness or connectors

    (Circuit is open or shorted.)

  • ECM

FAIL-SAFE

Engine operating condition in fail-safe mode

Fail safe mode

Nissan Sentra Vehicle behavior

Device fix mode

  • This mode fixes the IVT control solenoid valve and the EVT control solenoid valve in the reference position.

  • The intake manifold runner control valve motor is turned OFF (intake manifold runner control valve opens).

Others

ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 degrees) by the return spring.

Confirmation Procedure

Confirmation Procedure

  1. PRECONDITIONING

    If DTC Confirmation Procedure has been previously conducted, always perform the turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

    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 let it idle for 30 seconds.

    2. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES >>

    Proceed toDTC Diagnosis Procedure.

    NO-1>>

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

    NO-2>>

    Confirmation after repair: INSPECTION END

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

  1. PERFORM DTC CONFIRMATION PROCEDURE

    1. Turn ignition switch ON.

    2. Erase DTC.

    3. Perform DTC confirmation procedure again. Refer to DTC Description.

    4. Check 1st trip DTC.

    Is the DTC P061B displayed again?

    YES >>

    Replace the ECM. Refer to ECM : Removal & Installation.

    NO >>

    INSPECTION END

    P0611 Ecm Protection
    Dtc Description DTC Description This DTC is detected when the ECM protective function is activated due to an extreme temperature increase in ECM, resulting from severe condition...
    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...

    Other materials:

    P2770-00 Torque Converter Clutch
    Dtc Description DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection conditi ...

    Fuel Tank Vacuum Relief Valve
    Component Inspection Component Inspection CHECK FUEL FILLER CAP Turn ignition switch OFF. Remove fuel filler cap. Wipe clean valve housing. Install fuel filler ca ...

    Recommended Fluids and Lubricants
    Fluids and Lubricants Fluids and Lubricants The following are approximate capacities. The actual capacities may be slightly different. When refilling, follow the procedure described elsewhere in this manual. ...