Dtc 12-1 (No. 1 Fuel Injector) - Honda CTX700N/ND Service Manual

PGM - FI SYSTEM
6
.
VS Sensor Signal Line Open Circuit Inspection
Disconnect the combination meter 16 P (Gray)
connector
.
-
CTX 700 / A / D ( page 2
-
6 )
-
CTX 700 N / NA / ND ( page 22
-
7 )
Check for continuity between the VS sensor 3 P
( Black ) connector [ 1 ] and combination meter 16
P
(Gray) connector [ 2 ] of the wire harness side
.
Connection : Pink / green - Pink / green
Is there continuity ?
YES
-
GO TO STEP 7 .
NO
-
Open
circuit in the Pink / green wire
7
.
VS Sensor Inspection
Replace the VS Sensor with a known good one ( page
22
-
12 )
.
Connect the
combination meter 16
P (Gray ) connector
.
Erase the DTCs ( page 4
-
9 ) .
Test
-
ride the motorcycle above 2 , 000 rpm
.
Stop the engine
.
Turn the ignition switch ON and engine stop switch "
o
"
.
Check the VS sensor with the MCS .
Is the DTC 11
-
1 indicated ?
YES
-
Replace the ECM/PCM with a known good one , and recheck
.
NO
-
Faulty original VS sensor
DTC 12 - 1 ( No . 1 FUEL INJECTOR )
NOTE
:
•
Before starting the inspection
,
check for loose or poor contact on the fuel injector 2 P ( Gray ) connector and
ECM/PCM 33 P connector ( s ) , then recheck the DTC
.
• If the PCM
is replaced , perform the clutch Initialize Learning Procedure ( page 12
-
81 ) ( CTX 700 D / ND ) .
1
.
Fuel Injector System Inspection
Erase the DTCs ( page 4
-
9 )
.
Turn the ignition switch ON and engine stop switch "
O
"
.
Check the fuel injector with the MCS
.
Is the DTC 12
-
1 indicated
?
YES
-
GO TO
STEP 2 .
NO
-
Intermittent failure
2
.
Fuel Injector Input Voltage Inspection
Turn the ignition switch OFF
.
Disconnect the fuel injector 2 P ( Gray) connector
( page 7
-
18 )
.
Turn the ignition switch ON
.
Measure the voltage between the fuel injector 2 P
(Gray ) connector [ 1 ] of the wire harness side and
ground
.
Connection : Black ( + ) - Ground ( - )
Standard : Battery voltage
Does the standard voltage exist ?
YES
-
GO TO STEP 3
.
NO
-
Open or short
circuit in the Black wire
[ 1
Bl
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¥
Hi
[ 2 ]
I I I f l I I
P / G
P /G
Q
A
.
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