Honda CB 600F Hornet 2007 Shop Manual page 152

FUEL SYSTEM (PGM-FI)
MIL 9 BLINKS (IAT SENSOR)
• Before starting the inspection, check for loose or
poor contact on the IAT sensor 2P (Gray) connec­
tor and ECM 33P connectors, then recheck the
MIL blinking.
1. IAT 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: 829 (+) - A 18 1-)
STANDARD:
Is the voltage within 2. 7
YES
NO
2. IAT Sensor Input Voltage Inspection
Turn the ignition switch OFF.
Disconnect the IAT sensor 2P (Gray) connector.
Turn the ignition switch ON and engine stop
switch
Measure the voltage at the wire harness side of
IAT sensor connector.
CONNECTION: Gray/blue(+) - Green/orange(-)
Is the voltage within 4.75 - 5.25 V7
YES
NO
3. IAT Sensor Resistance Inspection
Turn the ignition switch OFF.
Measure the resistance at the IAT sensor termi­
nals (at 20
STANDARD: 1
Is the resistance within 1
YES
NO
5-42
"O".
°
2. 7 - 3.1 V (20 C/68
3.1 V7
-
- Intermittent failure
- GO TO STEP 2.
"O".
- GO TO STEP 3.
- GO TO STEP 4.
- 30 ° °
C/68 - 86 F).
°
- 4 kn (20 - 30 C/68
- 4 kf27
- GO TO STEP 4.
- Faulty IAT sensor.
(A18)
°
F)
TEST HARNESS PIN BOX
(A TERMINALS)
2P (Gray) CONNECTOR
(Wire side/female terminals)
Gray/blue
Green/orange
2P CONNECTOR
(Sensor side/male terminals)
°
- 86 F)
TEST HARNESS PIN BOX
(B TERMINALS)
(829)
� --<V -
e
>----�
(£)
(±)
V
0