Honda CB 600F Hornet 2007 Shop Manual page 137

OTC 9-2 (IAT SENSOR HIGH VOLTAGE)
• 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
OTC.
1. IAT Sensor System Inspection
Turn the ignition switch ON and engine stop
switch " O
tl
.
Check the IAT sensor with the HOS pocket tester.
5
Is about Vindicated?
YES - GO TO STEP 2.
NO - Intermittent failure
2. IAT Sensor Inspection
Turn the ignition switch OFF.
Disconnect the IAT sensor 2P (Gray) connector.
Connect the IAT sensor terminals with a jumper
wire.
CONNECTION: Gray/blue - Green/orange
Turn the ignition switch ON and engine stop
"O".
switch
Check the IAT sensor with the HOS pocket tester.
Is about O Vindicated?
YES - Faulty IAT sensor
NO - GO TO STEP 3.
3. IA T Sensor Output Line Inspection
Turn the ignition switch OFF.
Disconnect the ECM 33P connectors.
Check the continuity at the Gray/blue and Green/
orange wire between the IAT sensor 2P (Gray)
connector terminals and the ECM 33P connec­
tors.
CONNECTION: B29 - Gray/blue
A18 - Green/orange
TOOL:
Test probe
Are there continuities?
YES - Replace the ECM with a known good
one, and recheck; refer to Key Registra­
tion Procedures (page 21-6)
NO - • Open circuit in Gray/blue wire
• Open circuit in Green/orange wire
Green/
orange
2P (Gray) CONNECTOR
{Wire side/female terminals)
2P (Gray) CONNECTOR
(Wire side/female terminals)
07ZAJ-RDJA 110
Green/
orange
FUEL SYSTEM (PGM-FI)
JUMPER WIRE
Gray/blue
33P (Light gray) CONNECTOR B
(Wire side/female terminals)
,----IQ 1----,
Gray/
blue
829 TERMINAL
33P (Black) CONNECTOR A
(Wire side/female terminals)
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