Mil 12 Blinks (No. 1 Injector) - Honda GL1800 Service Manual

FUEL SYSTEM (Programmed Fuel Injection)

MIL 12 BLINKS (No. 1 INJECTOR)

1. Injector Connection Inspection
Remove the right injector cover (page 5-61).
Turn the ignition switch to "OFF."
Disconnect the No. 1 injector 2P connector.
Check the connector for loose contacts or cor-
roded terminals.
Connect the No. 1 injector 2P connector.
Place the motorcycle on its side stand.
Turn the ignition switch to "ON."
Check that the MIL blinks.
Is the MIL blinking?
NO
YES
2. No. 1 Injector Resistance Inspection
Turn the ignition switch to "OFF."
Disconnect the No. 1 injector 2P connector.
Measure the resistance between the No. 1 injec-
tor terminals.
Standard: 11.1 – 12.3Ω (at 20° C/68° F)
Is resistance within 11.1 – 12.3Ω (at 20° C/68° F)?
NO
YES
3. No. 1 Injector Short Circuit Inspection
Check for continuity between the No. 1 injector
terminal and ground.
Is there continuity?
YES
NO
4. No. 1 Injector Power Input Line Inspection
Turn the ignition switch to "ON."
Measure the voltage between the wire harness
side connector terminal of the No. 1 injector and
ground.
Connection: Brown (+) – Ground (–)
Standard: Battery voltage
Does battery voltage exist?
NO
YES
5-26
– Temporary failure; the
normal.
– GO TO STEP 2.
– Faulty No. 1 injector.
– GO TO STEP 3.
– Faulty No. 1 injector.
– GO TO STEP 4.
– Open circuit in the Brown wire.
– GO TO STEP 5.
Brown
Pink/blue
system is
NJECTOR TERM NALS
o. 1 I JECTOR CO ECTOR