Service Manual DF200AP Power Head[Engine Control[Diagnostic Information And Procedures][Self-Diagnostic Code “9 – 5” Keyless System Communication Error]]

This condition:

ECM detected that its ID code does not correspond with the D code registered in the keyless control unit.

Correction:

Change the ECM to correspond with their ID codes.

This condition:

The ECM cannot receive CAN communication information from keyless control unit.

Correction:

• Check communication such as open circuit on communication wire, poor or loose connections.
• Check the CAN communication line output voltage.
  Refer to “inspection of the Keyless Control Unit and Its Circuit” (Page 1A-82).

This condition:

There is an irregularity on the internal circuit of the keyless control unit.

Correction:

Replace the keyless control unit and ECM.

Before troubleshooting, make sure that there is not a self—diagnostic code indication.