Mil Troubleshooting - Honda CB 600F Hornet 2007 Shop Manual

FUEL SYSTEM (PGM-FI)

MIL TROUBLESHOOTING

MIL 1 BLINK (MAP SENSOR)
• Before starting the inspection, check for loose or
poor contact on the MAP sensor 3P (Black) con­
nector and ECM 33P connectors, then recheck
the MIL blinking.
1. MAP Sensor Output Voltage Inspection
Turn the ignition switch OFF.
Connect the ECM test harness to ECM connec­
tors (page 5-14).
Turn the ignition switch ON and engine stop
switch
Measure the voltage at the test harness termi­
nals.
CONNECTION: 89 (+) - A18 (-)
Is the voltage within 2.7- 3.1 V7
YES
NO
2. MAP Sensor Output Line Inspection
Turn the ignition switch OFF.
Disconnect the MAP sensor 3P (Black) connec­
tor.
Turn the ignition switch ON and engine stop
switch
Measure the voltage at the wire harness side.
CONNECTION: Light green/yellow(+) - Green/
Is the voltage within 2.7
YES
NO
3. MAP Sensor Input Voltage Inspection
Turn the ignition switch OFF.
Disconnect the MAP sensor 3P (Black) connec­
tor.
Turn the ignition switch ON and engine stop
switch
Measure the voltage at the wire harness side.
CONNECTION: Y ellow/red (+) - Ground (-)
Is the voltage within 4.75
YES
NO
5-36
" 0 ".
- Intermittent failure
- •
About 5 V
GO TO STEP 2.
• About0 V
GO TO STEP 3.
"O".
H
orange
- 3. 1 V7
- Faulty MAP sensor
-
• Open circuit in Light green/yellow
wire
• Open circuit in Green/orange wire
"0
11
•
5.25 V7
-
- GO TO STEP 4.
- GO TO STEP 5.
TEST HARNESS PIN BOX
(A TERMINALS)
(A18)
0 _---r
.__
TEST HARNESS PIN BOX
(B TERMINALS)
3P {Black) CONNECTOR
(Wire side/female terminals)
Green/orange Light green/yellow
3P (Black) CONNECTOR
(Wire side/female terminals)
(89)
Yellow/red