Honda CBF600SA Service Manual page 155

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys.
3. ECM Output Voltage Inspection
Turn the ignition switch ON and engine stop
switch "
Measure the voltage at the test harness termi-
nals.
CONNECTION: A9 (+) – A18 (–)
Is the voltage within 4.75 – 5.25 V?
YES
NO
4. TP Sensor Output Line Inspection
Turn the ignition switch OFF.
Check the continuity between the TP sensor 3P
(Black) connector terminal of the wire harness
side and the test harness terminal.
CONNECTION: Red/yellow – B31
Is there continuity?
YES
NO
5. TP Sensor Output Line Short Circuit Inspection
Check for continuity between the TP sensor 3P
(Black) connector terminal of the wire harness
side and ground.
CONNECTION: Red/yellow – Ground
Is there continuity?
YES
NO
email: info@motomatrix.co.uk
".
– • Open circuit in Yellow/red wire
• Open circuit in Green/orange wire
– Replace the ECM with a known good
one, and recheck; refer to Key Registra-
tion Procedures (page 21-6)
– GO TO STEP 5.
– Open circuit in Red/yellow wire
– Short circuit in Red/yellow wire
– Faulty TP sensor
FUEL SYSTEM (PGM-FI)
TEST HARNESS PIN BOX
(A TERMINALS)
(A9)
(A18)
TEST HARNESS PIN BOX
(B TERMINALS)
3P (Black) CONNECTOR
(Wire side/female
Red/yellow
terminals)
3P (Black) CONNECTOR
(Wire side/female terminals)
(B31)
Red/yellow
5-41