Sensor Unit Power Line Inspection; Before Dtc Troubleshooting - Honda CTX700N/ND Service Manual

PGM - FI SYSTEM
SENSOR UNIT POWER LINE INSPECTION
BEFORE DTC TROUBLESHOOTING
NOTE :
•
When the DTC displays 1
-
1 , 1
-
2
,
8
-
1 and 8
-
2 , check the following before DTC
troubleshooting .
• Before starting the inspection
,
check for loose or poor contact on the sensor unit
5 P ( Black ) connector and
ECM/PCM 33 P connector ( s )
.
•
If the PCM is replaced
,
perform the Clutch Initialize Learning Procedure
( page 12
-
81 ) ( CTX 700 D / ND ) .
1
. Sensor Unit Power Input Voltage Inspection
Turn the ignition switch OFF
.
Disconnect the sensor unit 5 P ( Black ) connector
( page 7
-
14
)
.
Turn the ignition switch ON and engine stop switch
"
O
"
.
Measure the voltage at the
sensor unit 5 P ( Black )
connector [ 1 ] of the wire harness side
.
Connection :
CTX 700 / A / N / NA :
Yellow / red ( + ) - Green/ yellow ( - )
CTX
700 D / ND :
Yellow / violet ( + ) - Green /
yellow (
-
)
Standard : 4.75
-
5.25 V
If the voltage within 4.75 - 5.25 V ?
YES
-
Turn the ignition switch OFF
.
Connect the sensor unit 5 P ( Black
) connector and start the DTC
troubleshooting ( page 4
-
12 )
.
NO
-
GO TO STEP 2
.
2
.
Sensor Unit Input Voltage Line Short Circuit Inspection
Turn the ignition switch OFF
.
Check for continuity between the sensor unit 5 P
( Black ) connector [ 1 ] of the wire harness side and
ground .
Connection :
CTX 700 / A / N / NA :
Yellow / red
- Ground
CTX 700 D / ND :
Yellow / violet - Ground
Is there continuity ?
YES
-
•
Short
circuit
in the Yellow / red wire
• Short circuit in the Yellow / violet wire
NO
-
GO TO
STEP
3
.
1
Y / R or Y / V
Q
[ 1 ]
Y / R or Y / V
G / Y
0
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