Buell 2007 FIREBOLT Service Manual page 403

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Code 16 Test (Part 1 of 2)
1
4-62 2007 Buell Firebolt: Fuel System
Perform charging system tests.
See 7.7 CHARGING SYSTEM
Charging system OK?
YES
Remove spark plug cables from spark plugs.
Attach Breakout Box (HD-42682) to ECM.
Measure voltage at ECM Pin 1 (+) and
Pin 11 (-) of [10] on Breakout Box while cranking
engine. Disregard voltage during first two seconds
of cranking. Is voltage above 6.2 volts?
YES
System
OK.
7770
YES
Measure voltage drop between Battery
Positive Terminal (+) and Terminal 87 on
ignition relay with key ON.
Is voltage drop greater than 0.5 volt?
YES
Measure voltage drop between Battery
Positive Terminal (+) and GY/O Terminal 30
on ignition relay with key ON.
Is voltage drop greater than 0.5 volt?
YES
STOP
Go to Code 16 Test
(Part 2 of 2).
NO
Repair charging
system.
NO
Measure voltage drop between Battery
2
Positive Terminal (+) and ECM Pin 1 of [10]
on Breakout Box with key ON.
Is voltage drop greater than 0.5 volt?
NO
Check for excessive starter cur-
rent draw. See 5.6 STARTER
SYSTEM TESTING.
NO
Replace GY wire
or terminals.
NO
Replace ignition
relay.
Clear codes and confirm proper operation with no
check engine lamp. Codes can be cleared using
DIGITAL TECHNICIAN (Part No. HD-44750).