Honda CBR650F Service Manual page 122

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DTC 54-2 (BANK ANGLE SENSOR HIGH VOLTAGE)
1. Bank Angle Sensor System Inspection
Erase the DTC (page 4-7).
Check the bank angle sensor with the MCS.
Is about 5 V indicated?
YES
NO
2. Bank Angle Sensor Inspection
Replace the bank angle sensor with a known good
one (page 4-39).
Erase the DTC (page 4-7).
Check the bank angle sensor with the MCS.
Is DTC 54-2 indicated?
YES
NO
DTC 86 (SERIAL COMMUNICATION
MALFUNCTION)
• Before starting the inspection, check the following
connectors for loose or poor contact and the fuse for
blown.
– Front sub harness 12P (Black) and 6P (Black)
– ECM 33P (Black) and 33P (Gray)
– Combination meter 16P (Gray)
– METER TAIL LICENSE PO fuse (7.5 A)
– ODO/TURN fuse (7.5 A)
DTC 86-1 (SERIAL COMMUNICATION)
1. Recheck DTC
Erase the DTC (page 4-7).
Check the serial communication with the MCS.
Is DTC 86-1 indicated?
YES
NO
2. ECM Serial Communication Output Voltage
Inspection
Turn the ignition switch OFF.
Remove the following:
– Left upper cowl A (page 2-9) (CBR650F/FA)
– Left tank shroud A (page 2-10) (CB650F/FA)
Disconnect the front sub wire harness 12P (Black)
connector [1].
Short the DLC terminals using the SCS connector
(page 4-7).
Open the throttle grip fully, hold it and turn the
ignition switch ON with the engine stop switch " ".
Wait for more than 10 seconds and release the
throttle grip.
• The ECM enters the communication diagnostic
output mode. The open circuit in the ECM can be
checked in this mode.
– GO TO STEP 2.
– Intermittent failure
– Replace the ECM with a known good one,
and recheck.
– Faulty original bank angle sensor
– GO TO STEP 2.
– Intermittent failure
CBR650F/FA:
CB650F/FA:
[1]
[1]
PGM-FI SYSTEM
4-33