Buell 2002 S3T - Page 278

2002 Buell S3T: Fuel System 4-63
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Code 16 Test (Part 1 of 2)
Perform charging system tests.
Charging system OK?
YES NO
Repair charging
system.
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 NO
Measure voltage drop between Battery
Positive Terminal (+) and ECM Pin 1 of [10]
on Breakout Box with key ON.
Is voltage drop greater than 0.5 volt?
System
OK.
YES NO
Check for excessive
starter current draw.
See Section 5.
Measure voltage drop between Battery
Positive Terminal (+) and Terminal 87 on
ECM safety interlock relay with key ON.
Is voltage drop greater than 0.5 volt?
NO
Replace ignition relay.
7.9 RELAY BLOCK.
1
2
Clear codes and confirm proper
operation with no check engine
lamp.
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
Go to Code 16 Test
(Part 2 of 2).
STOP
Replace GY wire
or terminals.
NO
7770
7768
7766
7767
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