Nissan Rogue (T33) 2021-Present Service Manual: Additional Service When Replacing Ecm

Description

When replacing ECM, the following procedure must be performed.

CAUTION:

When replacing the ECM, always replace it with a new one. The functions controlled by the ECM does not operate properly in case of reuse of the ECM from another Nissan Ariya vehicle.

Work Procedure

Work Procedure (Before Replacing ECM)

NOTE:

After replacing with a blank ECM, programming is required to write ECM information. Be sure to follow the procedure to perform the programming.

SAVE ECM DATA

With CONSULT

1. Turn ignition switch OFF.

2. Reconnect all harness connectors disconnected.

3. Turn ignition switch ON.

4. Select “Replace ECU” of “ECM” using CONSULT.

5. Follow the instruction of CONSULT display.

NOTE:

• ECM data is saved to CONSULT.

Replace ECM.

Work Procedure (After Replacing ECM)

WRITING VEHICLE SPECIFICATION

With CONSULT

Perform writing Nissan Ariya vehicle specification to ECM according to "Replace ECU" in CONSULT Operation Manual.

CAUTION:

During programming, maintain the following conditions:

GO TO 2.

PERFORM INITIALIZATION OF IVIS (NATS) SYSTEM AND REGISTRATION OF ALL IVIS (NATS) IGNITION KEY IDS

Refer to Work Procedure.

GO TO 3.

CHECK ECM DATA STATUS

Check if the data is successfully copied from the ECM at Step 1 (before replacement) and saved in CONSULT.

Is the data saved successfully?

GO TO 4.

GO TO 5.

WRITE ECM DATA

With CONSULT

1. Select “WRITING DATA FOR REPLC CPU” in “WORK SUPPORT” mode of “ENGINE” using CONSULT.

2. Follow the instruction of CONSULT display.

NOTE:

The data saved by “SAVING DATA FOR REPLC CPU” is written to ECM.

GO TO 5.

PERFORM VIN REGISTRATION

Refer to Description.

GO TO 6.

WRITING MAC KEY FOR ECM

Refer to Description.

GO TO 7.

PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING

Refer to Description.

GO TO 8.

PERFORM THROTTLE VALVE CLOSED POSITION LEARNING

Refer to Description.

GO TO 9.

PERFORM TURBOCHARGER WASTEGATE CONTROL SOLENOID VALVE DATA INITIALIZATION

Refer to Description.

GO TO 10.

PERFORM ELECTRIC INTAKE VALVE TIMING CONTROL LEARNING

Refer to Description.

GO TO 11.

PERFORM INJECTOR OFFSET LEARNING

Refer to Description.

GO TO 12.

PERFORM IDLE AIR VOLUME LEARNING

Refer to Description.

GO TO 13.

PERFORM VCR BASE POSITION LEARNING

Refer to Description.

GO TO 14.

CHANGE ENGINE OIL

Change engine oil, then perform ENGINE OIL DATE RESET. Refer to Description.

NOTE:

When replacing ECM, OCS data cannot be transferred. In addition, ENGINE OIL DATE RESET is performed, and therefore oil change is required.

GO TO 15.

ERASE DTC

With CONSULT

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.

4. Turn ignition switch ON.

5. Check “Self-diagnostic result” of “ENGINE”.

Is any DTC detected?

Erase DTC.

END