Starter Diagnostics - Buell Blast 2014 Service Manual

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STARTER DIAGNOSTICS

Solenoid clicks.
Perform Voltage Drop Tests
between battery and "Relay"
terminal on solenoid. less
than 1 volt?
YES
Perform Voltage Drop
2 2
Tests from battery
(Pos. +) to starter
"motor" terminal.
Crank engine.
Is voltage greater
than 1 volt?
YES
Perform Voltage
2 2
Drop Tests from
battery (Pos. +) to
starter motor "M"
(battery) terminal.
Crank engine.
Is voltage greater
than 1 Volt?
NO
YES
Repair connec- Repair or
tion between replace
battery and solenoid
starter. (contacts).
5824
5845
Relay terminal
a0192x5x
Motor terminal
VISUAL
NO
Backtrack to pin-
point poor connec-
tions or relay
contact problems
Does starter
using voltage drop 1
motor turn if
tests.
jumped?
5823
NO
YES
Replace
Perform Voltage
solenoid.
Drop Test
between battery
(Neg. -) and starter
studs or bolts.
Is voltage greater
than 1 Volt?
NO
YES
Clean ground
connections.
5824
Check for battery voltage
at relay terminal 86 from
starter button.
Battery voltage present?
YES
Check for Ground at
relay terminal 85.
Ground present?
YES
Substitute good
relay for test
relay.
5832
Battery terminal
Figure 5-2. Starting System Diagnosis, Part 1
— BATTERY TESTS —
VOLTAGE
Check connections at battery
and starter components.
INOPERATIVE
Relay
clicks.
Test for voltage at solenoid terminal.
Is 12V present when starter button is
pressed?
YES
Test for voltage to relay.
Is 12V present on relay
terminal 30?
NO
Test for voltage
from relay. Is 12V
Test starter motor
present on relay
for Opens, Shorts
terminal 87 when
or Grounds.
5860 starter button is
Repair or replace
pressed?
starter motor.
5817
Repair Open
on GN wire
between relay
and solenoid.
Check for battery voltage from starter
button BK/R wire. Battery voltage
present with starter button pressed?
NO
5
Inspect Starter Repair wiring
Interlock Circuit or from starter
correct relay button to relay.
Ground.
5828
LOAD
Continued on
Next Page
Nothing clicks.
NO
NO
YES
Repair Open on
R/BK wire feeding
terminal 30 on
starter relay.
5827
NO
YES
Replace
starter relay.
5832
5827
NO
NO
YES
Check for battery voltage to
starter button W/BK wire.
Battery voltage present?
5831
NO
YES
Replace right Repair wiring to
handlebar starter button.
switch gear.
Continued on
5816
Next Page
2004 Buell P3: Electric Starter
5.3
5831
5-5