Honda CB 600F Hornet 2007 Shop Manual page 153

4. IAT Sensor Open Circuit Inspection
Turn the ignition switch OFF.
Check for continuity at the Gray/blue and Green/
orange wires between the IAT sensor 2P (Gray)
connector terminal and the test harness termi­
nals.
CONNECTION: Gray/blue - B29
Green/orange - A 18
Are there continuities?
YES - GO TO STEP 5.
NO
- • Open circuit in Gray/blue wire
• Open circuit in Green/orange wire
5. IAT Sensor Output Line Short Circuit Inspection
Check for continuity between the IAT sensor 2P
(Gray) connector terminal of the wire harness
side and ground.
CONNECTION: Gray/blue- Ground
Is there continuity?
YES - Short circuit in Gray/blue wire
NO - Replace the ECM with a known good
one, and recheck; refer to Key Registra­
tion Procedures (page 21-6)
MIL 11 BLINKS (VS SENSOR)
• Before starting the inspection, check for loose or
poor contact on the VS sensor 3P (Black) connec­
tor and ECM 33P connectors, then recheck the
MIL blinking.
1. VS Sensor Pulse Inspection
Turn the ignition switch OFF.
Connect the ECM test harness to the ECM con­
nectors (page 5-14).
Support the motorcycle securely, raise the rear
wheel off the ground.
Turn the ignition switch ON and engine stop
switch "()".
Shift the transmission into gear.
Measure the voltage at the test harness termi­
nals while slowly turning the rear wheel by
hand.
CONNECTION: B28 (+) - Ground ( - )
STANDARD: Repeat Oto 5 V
Is there standard voltage?
YES - Intermittent failure
NO - GO TO STEP 2.
FUEL SYSTEM (PGM-FI)
Gray/blue
2P (Gray) CONNECTOR
(Wire side/female terminals)
TEST HARNESS PIN BOX
(B TERMINALS)
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(828)
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