Honda CBR650F Service Manual page 111

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PGM-FI SYSTEM
3. VS Sensor Signal Line Short Circuit Inspection
Turn the ignition switch OFF.
Check for continuity between the wire harness side
VS sensor 3P (Black) connector [1] terminal and
ground.
CONNECTION: Pink/green – Ground
Is there continuity?
YES
NO
4. VS Sensor Signal Line Open Circuit Inspection
Disconnect the combination meter 16P (Gray)
connector as the combination meter power/ground
line inspection (page 21-7).
Check for continuity between the wire harness side
VS sensor 3P (Black) connector [1] and combination
meter 16P (Gray) connector [2] terminals.
TOOL:
Test probe
CONNECTION:
CBR650F/FA: Pink/green – Pink/green
CB650F/FA: Pink/green – Pink
Is there continuity?
YES
NO
5. VS Sensor Inspection
Replace the VS sensor with a known good one
(page 4-38).
Connect
connector.
Erase the DTC (page 4-7).
Test-ride the motorcycle above 3,800 min
Stop the engine.
Check the DTC with the MCS.
Is DTC 11-1 indicated?
YES
NO
4-22
– Short circuit in Pink/green wire
– GO TO STEP 4.
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– GO TO STEP 5.
– • CBR650F/FA: Open circuit in Pink/
green wire
• CB650F/FA: Open circuit in Pink/green
or Pink wire
the combination meter
– Replace the combination meter with a
known good one, and recheck.
– Faulty original VS sensor
P/G
[1]
16P (Gray)
-1
(rpm).
[1]
P/G
CBR650F/FA: P/G
CB650F/FA: P
[2]