Honda NC700 2012, Service Manual

Page: 187 / 773

4-26
dummyhead dummyhead
PGM-FI SYSTEM
DTC 8-1 (TP SENSOR LOW VOLTAGE)
• 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, then recheck the
DTC.
• NC700XD/SD:
Before starting the inspection, check for loose or
poor contact on the sensor unit 5P (Black) connector
and PCM 33P (Gray) connector, then recheck the
DTC.
• 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. TP Sensor System Inspection
Turn the ignition switch ON and engine stop switch
" ".
Check the TP sensor with the HDS pocket tester
with the throttle fully closed.
Is about 0 V indicated?
YES – Intermittent failure
NO – GO TO STEP 2.
2. Sensor Unit Power Line Inspection
Check the sensor unit power line inspection (page
4-17).
Is the sensor unit power line normal?
YES – GO TO STEP 3.
NO – Replace or repair the abnormal circuit.
3. TP Sensor Output Line Short Circuit Inspection
Turn the ignition switch OFF.
Disconnect the sensor unit 5P (Black) connector [1].
Check for continuity between the sensor unit 5P
(Black) connector of the wire harness side and
ground.
Is there continuity?
YES – Short circuit in the Red/yellow wire
NO – GO TO STEP 4.
Connection: Red/yellow – Ground
R/Y
[1]