Honda NC700XA Service Manual page 211

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PGM-FI SYSTEM
5. IAT Sensor Output Line Short Circuit Inspection
Check for continuity between the IAT sensor 2P
(Black) connector [1] of the wire harness side and
ground.
Connection: Gray/blue – Ground
Is there continuity?
YES
NO
MIL 11 BLINKS (VS SENSOR) (NC700X/
XA/S/SA)
Before starting the inspection, check for loose or poor
contact on the VS sensor 3P (Black) connector and
combination meter 16P (Gray) connector, then recheck
the MIL blinking.
1. Speedometer Inspection
Check for operation of speedometer.
Does the speedometer operate normally?
YES
NO
2. VS Sensor Pulse Inspection
Support the motorcycle securely and raise the rear
wheel off the ground.
Turn the ignition switch ON and engine stop switch
" ".
Measure the voltage between the combination
meter 16P (Gray) connector [1] and ground while
slowly turning the rear wheel by hand.
Connection: Pink/green (+) – Ground ( – )
Standard:
Is the indicated voltage at the standard value?
YES
NO
3. VS Sensor Input Voltage Inspection
Turn the ignition switch OFF.
Disconnect the VS sensor 3P (Black) connector [1].
Turn the ignition switch ON.
Measure the voltage at the VS sensor 3P (Black)
connector of the wire harness side.
Connection: Pink/blue (+) – Green/red ( – )
Standard:
Is there battery voltage?
YES
NO
4-50
– Short circuit in the Gray/blue wire
– Replace the ECM/PCM with a known good
one, and recheck.
– GO TO STEP 2.
– Inspect the combination meter (page 22-
8).
Repeat 0 to 5 V
– Inspect the combination meter (page 22-
8).
– GO TO STEP 3.
Battery voltage
– GO TO STEP 4.
– • Open circuit in the Pink/blue wire
• Open circuit in the Green/red wire
[1]
Gr/Bu
[1]
P/G
P/Bu
[1]
G/R