Honda CBR650F Service Manual page 124

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MIL CIRCUIT TROUBLESHOOTING
Check that the MIL [1] comes on for 2 seconds and
goes off when the ignition switch is turned ON with the
engine stop switch " ".
• If the MIL and digital display do not function at all,
refer to combination meter initial operation check
(page 21-7).
If the MIL stays on and the other indications function
If the engine stop
normally, check the combination meter indication when
switch is in " ", the
the serial communication line is abnormal (page 21-8).
MIL will stay on
even when the
If the indication is not according to above condition,
system is normal.
check as follows.
Turn the ignition switch OFF.
Disconnect the ECM 33P (Gray) connector (page 4-35).
Check for continuity between the wire harness side
ECM 33P (Gray) connector [1] terminal and ground.
TOOL:
Test probe
CONNECTION: Brown – Ground
If there is continuity, check for short circuit in the Brown
wire between the DLC and ECM.
If there is no continuity, replace the ECM with a known
good one, and recheck.
ECM
REMOVAL/ INSTALLATION
Lift the fuel tank and support it (page 3-4).
Release the radiator siphon hose [1] from the wire
guides [2].
Remove the two clips [3].
Remove the ABS modulator cover [4] by releasing the
slot [5] from the tab [6] of the ABS modulator tray.
Turn the ignition switch OFF.
Pull out the ECM [1] from the ABS modulator tray, then
disconnect the ECM 33P (Black) [2] and 33P (Gray) [3]
connectors.
Installation is in the reverse order of removal.
• If the ECM is replaced, perform the Key Registration
Procedures (page 22-3).
07ZAJ-RDJA110
[5]
[3]
[4]
[1]
PGM-FI SYSTEM
[1]
Br
[2] [3]
[1]
[2]
[6]
[1]
4-35