Buell X1 2002 - Page 296

4-78 2002 Buell X1: Fuel System
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Code 35 Test
Attach Breakout Box (HD-42682), but leave
connector [10] unplugged at ECM.
Disconnect instrument connector [39]
with ignition ON. Measure voltage across
Pin 12 (+) and Pin 11 (-) in open
Breakout Box connector [10].
Battery voltage present?
YES
Locate and repair
short to PK wire to
voltage.
NO
Check for continuity at Breakout Box between
Pin 12 and Pin 11 in connector [10].
Continuity present?
Locate and repair
short on PK wire to
ground.
YES
Plug in [10]. Connect
voltmeter across Pin 12
and Pin 11 at Breakout
Box [10].
Start engine and let
motor idle. Is voltage
approximately 4.0-6.0
volts?
NO
Clear codes and confirm proper
operation with no check engine
lamp.
Reconnect [39]. Locate
intermittents using 4.8
WIGGLE TEST
. Intermit-
tents found?
YES
Replace ECM. See 4.29
ELECTRONIC CON-
TROL MODULE
.
NO
Repair.
YES NO
Replace
tachometer.
1
7884
7886
7883
7882
7881
2
3