ELECTRICAL SYSTEM 7-19
Measure the battery voltage between
input lead wires (O/W and B/W) at the
ECM with the ignition switch in the Incorrect • Faulty ignition switch
“ON” position. • Faulty turn signal/side-stand
relay
• Faulty engine stop switch
Correct • Broken wire harness or poor
connection of related circuit
couplers
Measure the ignition coil primary peak
voltage. (7-20) Inspect the spark plugs.
NOTE: This inspection method is
Correct
( 2-5)
applicable only with the multi circuit
tester and the peak volt adaptor.
Correct Incorrect
Incorrect
• Faulty spark plug (-s)
• Poor connection of the
spark plug cap (-s)
Inspect the ignition coil (-s).
(7-21)
Incorrect
• Faulty ignition coil (-s)
Correct
Measure the crankshaft position sensor
peak voltage and its resistance.
(7-21, -22) Incorrect • Faulty crankshaft position
NOTE: The crankshaft position sensor
sensor
peak voltage inspection is applicable
only with
the multi circuit tester and
peak volt adaptor.
Correct
• Faulty ECM
• Poor connection of ignition
couplers.
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