Pgm-Fi (Programmed Fuel Injection) System; Self-Diagnostic Data Indication Procedure - Honda GL1800 Service Manual

FUEL SYSTEM (Programmed Fuel Injection)
PGM-FI (PROGRAMMED FUEL
INJECTION) SYSTEM
SELF-DIAGNOSTIC DATA INDICATION
PROCEDURE
Place the motorcycle on its side stand.
Turn the ignition switch to "ON" and engine stop
switch to " ."
The malfunction indicator lamp (MIL) comes on for
a few seconds, then goes off.
Start the engine and let it idle.
• If the engine will not start, turn the starter motor
for more than 10 seconds and check that the MIL
blinks
If the MIL does not blink, the ECM has no problem
data.
If the MIL blinks, read and record how many times
the MIL blinks, and determine the cause of the
problem (pages 5-13 through 5-55).
• The MIL will start blinking when the side stand is
lowered
1,500 rpm. If the side stand is retracted or the
engine speed is above 1,500 rpm, the MIL will
illuminate and stay on.
To read the ECM memory of problem data, perform
the following:
Turn the ignition switch to "OFF."
Remove the seat (page 2-5).
'01 – '03:
Short the service check connector terminals with a
jumper wire.
After '03:
Remove the dummy connector and short the Brown
and Green wire terminals of the Data Link Connec-
tor (DLC) using the special tool.
TOOL:
SCS service connector
5-8
and the engine speed
070PZ-ZY30100
is below
ERVICE CHECK CONNECTOR
DUMMY CONNECTOR
IL
JUMPER WIRE
SCS SERVICE CONNECTOR
DLC