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

Nissan Sentra B18 (2020-2025) Service Manual / Engine / Work Procedure (After Replacing Electric Throttle Control Actuator) / Dtc/circuit Diagnosis / 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

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.
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

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.
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 ...

P062f Ecm

Dtc Description DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms ( ...

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