Mil Circuit Troubleshooting - Honda CB 600F Hornet 2007 Shop Manual

FUEL SYSTEM (PGM-FI)
2. IACV Circuit Continuity Inspection
Connect the ECM test harness to the ECM con­
nectors (page 5-14).
Check the continuities between the test harness
and the IACV 4P (Black) connector.
CONNECTION: A19 -Black/yellow
Are there continuities?
YES
NO
3. IACV Resistance Inspection
Connect the IACV 4P connector.
Measure the resistance at the test harness termi­
nals.
CONNECTION: A 19 -A29
STA NDARD: 99 -121
Is the resistance within 99
YES
NO

MIL CIRCUIT TROUBLESHOOTING

If the engine can be started but the MIL does not
come on when the ignition switch is turned "ON
and the engine stop switch is in
follows:
Check for operation of the combination meter func­
tion properly.
• If they do not function, check the combination
meter power input line (page 20-12).
• If they function properly, check as follows:
Pull out the ECM from the stay (page 5-14).
Turn the ignition switch to "OFF", disconnect the
ECM 33P (Black) connector.
5-50
A27 -Black/red
A 16-Black/blue
A29 - Black/orange
- GO TO STEP 3.
- • Open circuit in Black/yellow or Black/
orange wire
• Open circuit in Black/red or Black/
blue wire
A16-A27
n
(20 °C/68 °F)
n
- 121
- Replace the ECM with a new one, and
recheck; refer to Key Registration Proce­
dures (page 21-6)
- Faulty throttle body (I ACV)
"0",
Black/
yellow
Black/
red
4P (Black) CONNECTOR
(Wire side/female terminals)
(20 "C/68 °FJ7
(A27)
H
check as
TEST HARNESS PIN BOX
(A TERMINALS)
)
Black
/blue
(A16)
1
ob"o ;:,'o· o'o'o"oo'o'o�o·o
:c
1
t
O"b' ' 'o" ' o 0•0• I
'o 0"0'0•c:J�o'c/0
"o' "o
b"o' o·o 'o"o" o ' o " o
.. o'o
(A29)
TEST HARNESS PIN BOX
(A TERMINALS)