Honda CB 600F Hornet 2007 Shop Manual page 149

2. ECT Sensor Input Voltage Inspection
Turn the ignition switch OFF.
Disconnect the ECT sensor 3P (Black) connector.
Turn the ignition switch ON and engine slop
switch
1 () •
1 11
Measure the voltage at the test harness terminal
and ground.
CONNECTION: Pink/white (+) - Ground (-)
Is the voltage within 4. 75 - 5.25 V?
- GO TO STEP 3.
YES
NO
- GO TO STEP 4.
3. ECT Sensor Resistance Inspection
Turn the ignition switch OFF.
Measure the resistance at the ECT sensor termi•
nals.
CONNECTION: Pink/white - Green/orange
(Sensor side terminals)
STANDARD: 2.3 - 2.6
Is the resistance within Z.3- Z.6 kJ1 (20°C/68
YES - GO TO STEP 4.
- Faulty ECT sensor.
NO
4. ECT Sensor Open Circuit Inspection
Turn the ignition switch OFF.
Check the continuity between the test harness
terminals and ECT sensor 3P (Black) connector
of the wire harness side.
CONNECTION: 813 - Pink/white
A18 - Green/orange
Is there continuity?
YES - GO TO STEP 5.
NO - • Open circuit in Pink/white wire
• Open circuit in Green/orange wire
5. ECT Sensor Short Circuit Inspection
Check for continuity between the ECT sensor 3P
(Black) connector of the wire harness side and
ground.
CONNECTION: Pink/white
Is there continuity?
YES - Short circuit in Pink/white wire
NO - Replace the ECM with a known good
one, and recheck; refer to Key Registra­
tion Procedures (page 21-6)
kO l20 C/68 Ft
° °
° F}7
Pink/white
- Ground
FUEL SYSTEM (PGM-FI)
3P (Black) CONNECTOR
(Wire side/female terminals)
(±)
V
e
Pink/white
Green/orange
Pink/white
TEST HARNESS PIN BOX
(A TERMINALS)
Green/orange
TEST HARNESS PIN BOX
(B TERMINALS)
3P (Black) CONNECTOR
(Wire side/female terminals)
Pink/white
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