Electric Starter Troubleshooting - Honda CTX700N/ND Service Manual

ELECTRIC STARTER
TROUBLESHOOTING
Starter
motor
does
not turn
( CTX 700 / A / N / NA )
1
.
Fuse Inspection
Check for blown main fuse 30 A or sub fuse 7.5 A ( ENG STOP ) .
Is the fuse blown ?
YES
-
Replace the fuse
.
NO
-
GO TO STEP 2 .
2
.
Battery Inspection
Make
sure the battery is fully charged and in good condition ( page 21
-
5 )
.
Is the battery in good condition ?
YES
-
GO TO STEP 3
.
NO
-
Charge or replace the battery .
3
.
Starter Relay Switch Operation
Check
the starter relay switch operation .
You should hear the relay " CLICK " when the
starter
switch button is depressed .
Is there a " CLICK " ?
YES
-
GO TO STEP 4
.
NO
-
GO TO STEP 5 .
4 . Starter Motor Inspection
Apply battery voltage directly to the starter motor and check the operation .
Does the starter motor turn
?
YES
-
• Poorly contacted starter motor
cable
• Faulty starter relay switch ( page 6 - 10 )
NO
-
Faulty starter motor ( page
6 - 8
)
5
.
Relay Coil Ground Lines Inspection
Disconnect the starter relay switch connector
,
and check the relay coil ground wire line as below for
continuity :
1
. Green/ red terminal
-
neutral diode
-
neutral switch line ( with the transmission
in neutral and clutch lever
released ) .
2
. Green / red terminal
-
clutch switch
-
sidestand switch ( in any gear except neutral , and with the clutch
lever pulled in and sidestand up
.
)
Is there continuity ?
YES
-
GO TO STEP 6
.
NO
-
• Loose or poor contact connector
• Open
circuit in wire harness
• Faulty neutral diode ( page 6
-
11 )
• Faulty
neutral switch ( page 22
-
20 )
• Faulty sidestand switch ( page 22
-
21 )
•
Faulty clutch switch ( page 22
-
19 )
6
.
Starter Relay Input Voltage Inspection
Connect
the starter relay switch connector
.
With the ignition switch turned ON and engine stop switch "
Q
"
and the starter switch is
pushed
,
measure the
voltage at the starter relay switch connector ( between Yellow / red ( + ) and
ground (
-
)) .
Does the battery voltage exist ?
YES
-
GO TO STEP 7
.
NO
-
•
Faulty ignition switch ( page 22
-
17 )
• Faulty starter
switch ( page 22
-
18 )
•
Faulty engine stop switch ( page 22
-
18 )
•
Loose or poor contact connector
•
Open circuit in wire harness
6
-
5