Electric Starter/Starter Clutch - Troubleshooting; Starter Motor Will Not Turn - Honda Nighthawk CB 750 1991 Service Manual

Electric StarterIStarter Clutch
Troubleshooting
Starter Motor W i l l Not Turn
Check for a blown out main or sub fuses before servicing.
Make sure the battery is fully charged and in good condition.
Check for loose or poorly connected battery ter-
Abnormal-. Poorly connected battery terminals
minals, and opened or shorted battery cable.
a
-
Open or short circuit in battery cable
I
Normal
Check for loose or poorly connected starter relay
Abnormal-. Poorly connected terminals or 4P connector
switch terminals and 4P connector.
I
a
~o;mal
t
Check for loose or poorly connected starter motor
Abnormal-. Poorly connected motor cable
cable, and opened cable.
Open circuit in motor cable
1
No click
With the ignition switch "ON", push the starter
switch and check for a "click" sound from the
starter relay switch.
check the relay coil ground wire lines as below for
continuity :
1. GreenlRed terminal-clutch switch diode-
starter ~ t a r t e ; motor
motor does not turn
turns
1
1 . -
Faulty starter motor
-
Loose or disconnected starter motor cable
-
Faulty starter relay switch
I I I
----Clicks-
neutral switch line (with transmission in neu-
No continuity-. Faulty neutral switch
tral and clutch lever released.)
Faulty clutch switch diode
2. GreenlRed terminal-clutch switch-side stand
Faulty clutch switch
switch line (in any gear except neutral, and
.
Faulty side stand switch
with the clutch lever pulled in and the side
Loose or poor contact of connector .
Open circuit in wire harness
Continuity
b
Connect the starter motor terminal to the battery
positive terminal directly. (Because a large
amount of current flows, do not use thin wires)
Connect the starter relay switch connector. With
the ignition switch ON and the starter switch
No voltage-. Faulty ignition switch
starter switch connector (between YellowlRed Faultylstarter switch
.
Blown out main or sub fuses
Loose or poor contact of connectol
Voltage appeared
.
Open circuit in wire harness
Normal-. Loose or poor contact of the starter relay
switch connector
Abnormal-. Faulty starter relay switch