RM38N0EC _51 Engine / Hybrid System _111785 M20C-FKS, M20D-FKS ENGINE CONTROL _0503271 ECM A

M20C-FKS, M20D-FKS ENGINE CONTROL  ECM  REMOVAL  


CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during ECM removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link

*1: If transaxle compensation code read from ECM

*2: If transaxle compensation code not read from ECM

Battery terminal is disconnected/reconnected Reset back door close position Power Back Door System (Click here)
Replacement of ECM Perform Vehicle Identification Number (VIN) or frame number registration DTC is output (Click here)
Update ECU security key Vehicle Control History (RoB) are stored (Click here)
Code registration Engine start See Service Bulletin for the registration method
·

Transfer transaxle compensation code*1

·

Reset transaxle compensation code*2

·

CVT oil pressure calibration

·

Perform road test to allow ECM to learn


·

Large shift shock

·

Deterioration of fuel efficiency


Initialization:(Click here)
Registration:(Click here)

NOTICE:
·

If the ECM has been struck or dropped, replace it.

·

Perform Vehicle Identification Number (VIN) or frame number registration when replacing the ECM.

Click hereEngine / Hybrid System>M20C-FKS, M20D-FKS (ENGINE CONTROL)>SFI SYSTEM>REGISTRATION



HINT:

When the cable is disconnected / reconnected to the battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

Items for which learning is completed by driving the vehicle
Effect/Inoperative Function when Necessary Procedure not Performed Necessary Procedure Link
Lane Tracing Assist System Drive the vehicle straight ahead at 15 km/h (10 mph) or more for 1 seconds or more. (Click here)
Pre-collision System
Stop and Start System Idle the engine for approximately 5 to 60 minutes or drive the vehicle until stop and start control is permitted (Click here)

Items for which learning is completed by operating the vehicle normally
Effect/Inoperative Function when Necessary Procedure not Performed Necessary Procedure Link
Power Door Lock Control System
·

Back door opener


Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch. (Click here)
Air Conditioning System After the ignition switch is turned to ON, the servo motor standard position is recognized. -


PROCEDURE

Hide 1. PRECAUTION

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal.

Click hereGeneral>SETUP>WHEN DISCONNECTING OR RECONNECTING BATTERY TERMINAL>BEFORE DISCONNECTING BATTERY


Hide 2. GPF DEPOSITION VALUES

NOTICE:

Before replacing the ECM, store the volumes of accumulated ash (metal oxide) and PM (Particulate Matter). After replacing the ECM, write the volumes of accumulated ash and PM to the new ECM.

Click hereEngine / Hybrid System>M20C-FKS, M20D-FKS (ENGINE CONTROL)>SFI SYSTEM>REGISTRATION


Hide 89661 7.REMOVE ECM

a.
A538920

Rotate the 2 levers while pushing the locks, and disconnect the 2 ECM connectors.

NOTICE:

After disconnecting the ECM connectors, make sure that dirt, water or other foreign matter does not contact the connecting parts of the ECM connectors.



b.
A538921

Remove the 2 bolts, nut and ECM.

NOTICE:

If the ECM has been struck or dropped, replace it.



Hide 89667E 8.REMOVE NO. 1 ECM BRACKET

a.
A538922

Remove the 2 screws and No. 1 ECM bracket from the ECM.


Hide 89668 9.REMOVE NO. 2 ECM BRACKET

a.
A538923

Remove the 2 screws and No. 2 ECM bracket from the ECM.