Sensor Unit Power Line Inspection - Honda NC700XA Service Manual

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SENSOR UNIT POWER LINE
INSPECTION
BEFORE DTC TROUBLESHOOTING
• When the DTC displays 1-1, 1-2, 8-1 and 8-2, check
the following before DTC troubleshooting.
• NC700X/XA/S/SA:
Before starting the inspection, check for loose or
poor contact on the sensor unit 5P (Black) connector
and ECM 33P (Black) connector.
• NC700XD/SD:
Before starting the inspection, check for loose or
poor contact on the sensor unit 5P (Black) connector
and PCM 33P connectors.
• If the ECM/PCM is replaced, perform the following:
– Key Registration Procedure (page 23-6)
– Clutch Initialize Learning Procedure (NC700XD/
SD) (page 12-120)
1. Sensor Unit Power Input Voltage Inspection
Turn the ignition switch OFF.
Disconnect the sensor unit 5P (Black) connector [1].
Turn the ignition switch ON and engine stop switch
" ".
Measure the voltage at the wire harness side.
Connection:
NC700X/XA/S/SA:
NC700XD/SD:
Standard: 4.75 – 5.25 V
If the voltage within 4.75 – 5.25 V?
YES
NO
2. Sensor Unit Input Voltage Line Short Circuit
Inspection
Turn the ignition switch OFF.
Check for continuity between the sensor unit 5P
(Black) connector [1] of the wire harness side and
ground.
Connection:
NC700X/XA/S/SA:
NC700XD/SD:
Is there continuity?
YES
NO
Yellow/red (+) – Green/yellow (–)
Yellow/violet (+) – Green/yellow (–)
– Turn the ignition switch OFF. Connect the
sensor unit 5P (Black) connector and start
the DTC troubleshooting (page 4-21).
– GO TO STEP 2.
Yellow/red – Ground
Yellow/violet – Ground
– • Short circuit in the Yellow/red wire
• Short circuit in the Yellow/violet wire
– GO TO STEP 3.
[1]
Y/R or Y/V
[1]
Y/R or Y/V
PGM-FI SYSTEM
G/Y
4-17