Honda CB 600F Hornet 2007 Shop Manual page 133

OTC 8-1 (TP SENSOR LOW VOLTAGE)
• Before starting the inspection, check for loose or
poor contact on the TP sensor 3P (Black) connec­
tor and ECM 33P connectors, then recheck the
OTC.
1. T P Sensor SyS1em Inspection
Turn the ignition switch ON and engine stop
"0".
switch
Check the TP sensor with the HOS when the
throttle fully closed.
Is about O Vindicated?
YES - GO TO STEP 3.
NO - GO TO STEP 2.
2. TP Sensor Inspection
Check the TP sensor voltage is increasing unin­
terrupted when moving the throttle from fully
closed to fully opened using the data list menu
of the HOS pocket tester.
Does the voltage increase continuously?
YES - Intermittent failure
NO - Faulty TP sensor
3. TP Sensor Input Voltage Inspection
Turn the ignition switch OFF.
Disconnect the TP sensor 3P (Black) connector.
Turn the ignition switch ON and engine stop
"0".
switch
Measure the voltage at the wire harness side.
CONNECTION: Yellow/red(+) - Green/orange(-)
Is the voltage within 4.75
YES - GO TO STEP 5.
NO - GO TO STEP 4.
4. TP Sensor C ircuit Inspection
Turn the ignition switch OFF.
Disconnect the ECM 33P (Black) connector.
Check the continuity at the Yellow/red wire
between the TP sensor 3P (Black) connector ter­
minal and the ECM 33P (Black) connector.
CONNECTION: A9 - Yellow/red
TOOL:
Test probe
Is there continuity?
YES - Replace the ECM with a known good
one, and recheck; refer to Key Registra­
tion Procedures (page 21-6)
NO - Open circuit in Yellow/red wire
3P (Black) CONNECTOR
(Wire side/female terminals)
5.25 V7
-
07ZAJ-RDJA 110
3P (Black) CONNECTOR
(Wire side/female terminals)
FUEL SYSTEM (PGM-FI)
Green/
orange
33P (Black) CONNECTOR A
(Wire side/female terminals)
Yellow/red
Yellow/
red
A9
TERMINAL
5-23