Nissan Sentra B18 (2020-2025) Service Manual: P026b Injection Timing

Nissan Sentra B18 (2020-2025) Service Manual / Engine / Work Procedure (After Replacing Electric Throttle Control Actuator) / Dtc/circuit Diagnosis / P026b Injection Timing

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P026B	Injection timing (Injection Timing Performance)	Diagnosis condition	—
		Signal	—
		Threshold	ECM does not control fuel injection timing properly when engine is running (except engine cold start).
		Diagnosis delay time	1 second

POSSIBLE CAUSE

ECM

FAIL-SAFE

Not applicable

Confirmation Procedure

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

Start engine and drive the vehicle as per the similar conditions to Freeze Frame Data for 5 seconds.

Hold the accelerator pedal as steady as possible.

CAUTION:

Always drive Nissan Sentra vehicle in safe manner according to traffic conditions and obey all traffic laws when driving.
- COOLANT TEMP
- ENGINE SPEED
- CAL/LD VALUE
Is DTC detected?
YES >>
Proceed 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

DTC Diagnosis Procedure

REPLACE ECM
1. Replace ECM. Refer to ECM : Removal & Installation.
2. Refer to Work Procedure.
>>
INSPECTION END

P0268 Fuel Injector (cylinder 3)

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

P0270 Fuel Injector (cylinder 4)

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

Other materials:

Body Exterior Paint Color
Body Exterior Paint Color Body Exterior Paint Color Component Color code KH3 ...

Slip indicator lamp
Component Function Check 1.CHECK SLIP INDICATOR LAMP FUNCTION Check that slip indicator lamp in combination meter turns ON for approximately 2 seconds after ignition switch is turned ON. Is the inspection result normal? YES >> Inspection End. NO >> Proceed to diagnosis proce ...

Control Units and Electrical Parts
PRECAUTIONS Never reverse polarity of battery terminals. Install only parts specified for a vehicle. Before replacing the control unit, check the input and output and functions of the component parts. Do not apply excessive force when disconnecting a connector. Do not apply exce ...