Buell 2002 S3T - Page 248

2002 Buell S3T: Fuel System 4-33
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No ECM Power
CONDITION: Sidestand up, key ON and transmission in neutral
Check for 12 volts
on ignition relay
Terminal 87 (GY).
Voltage present?
YES
Repair open between
ECM and ignition relay.
YES
YES
YES
Check for continuity to
ground on ignition relay
Terminal 85 (TN/W).
Continuity present?
NO
Diagnose ignition interlock
circuit. See 7.6 STARTER
INTERLOCK and continue
until problem is solved.
NO
Check for continuity to
ground on [10] Pin 2.
Continuity present?
Repair open.
Repair open on
(GY/O) wire
between ignition
relay and fuse.
Check for 12 volts
on ignition relay
Terminal 30 (GY/O).
Voltage present?
Replace ignition
relay. See 7.9
RELAY BLOCK.
Check for 12 volts
on ignition relay
Terminal 86 (W/BK).
Voltage present?
Repair open on W/BK
wire between connector
[22] and ignition relay.
YES
Remove seat and check ignition fuse.
Is fuse OK?
YES
Replace ECM. See
4.29 ELECTRONIC
CONTROL MODULE.
YES
Attach Breakout Box (HD-42682) to
ECM. Check for 12 volts on ECM
connector [10] Pin 1 (+) and Pin 2 (-).
Voltage present?
Replace fuse.
Replace handlebar
switch assembly.
YES
Check for 12 volts
on right handlebar con-
nector [22] GY/O wire.
Voltage present?
NO
NO
NO
NO
NO
NO
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STOP