FUEL SYSTEM (Programmed Fuel Injection)
6-31
MIL CIRCUIT INSPECTION
If the engine can be started but,
– when the ignition switch "ON", the MIL stays on
(does not go off within a few seconds)
– when the ignition switch is "ON", the MIL does
not come on
If the symptom above comes out, check as follows:
1. Speedometer input voltage Inspection
Remove the front handlebar cover (page 3-6).
Turn the ignition switch "OFF".
Disconnect the speedometer Black/Brown wire
connector.
Turn the ignition switch "ON".
Measure the voltage between the speedometer
wire connector of the wire harness side and
ground.
Does the battery voltage exist?
NO – • Open or short circuit in Black/Brown
wire.
• Faulty main relay (page 21-15).
YES – GO TO STEP 2.
2. Connector Short Inspection
Turn the ignition switch "OFF".
Remove the front center cover (page 3-4).
Connect the speedometer Black/Brown wire con-
nector.
Disconnect the ECM 33P connector.
Connect the Black/Brown wire.
Ground the ECM 33P connector terminal of the
wire harness side connector with a jumper wire.
Turn the ignition switch "ON", the MIL should
come on.
Does the MIL come on?
YES – Replace the ECM with a new one, and
recheck.
NO – Check for open circuit in the Blue/Yel-
low wire between the speedometer and
ECM.
If the wire is OK, replace the speedome-
ter.
ON
OFF
ON
OFF
ON
OFF
IGNITION
SWITCH
MIL
(Stay on)
MIL
(Does not
come on)
CONNECTION: Black/Brown (+) – Ground (–)
BLACK/BROWN
WIRE CONNECTOR
CONNECTION: Blue/Yellow – Ground
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