Honda NC700XA Service Manual page 197

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PGM-FI SYSTEM
2. IACV Short Circuit Inspection
Turn the ignition switch OFF.
Disconnect the IACV 4P (Black) connector [1].
Check for continuities between the IACV 4P (Black)
connector of the wire harness side and ground.
Connection: Yellow/green – Ground
Is there continuity?
YES
NO
3. IACV Open Circuit Inspection
Disconnect the following:
– ECM 33P (Black) connector (NC700X/XA/S/SA)
[1]
– PCM 33P (Gray) connector (NC700XD/SD) [1]
Check for continuities between the ECM/PCM 33P
connector and IACV 4P (Black) connector [2] of the
wire harness side.
Connection: Yellow/green – Yellow/green
TOOL:
Test probe
Is there continuity?
YES
NO
4. IACV Resistance Inspection
Measure the resistance at the IACV 4P (Black)
connector [1] at the motor side.
Connection: A – D
Standard:
Is the resistance within 110 – 150 Ω (25°C/77°F)?
YES
NO
4-36
Gray/red – Ground
Violet/white – Ground
Pink/black – Ground
– • Short circuit in the Yellow/green or
Gray/red wire
• Short circuit in the Violet/white or Pink/
black wire
– GO TO STEP 3.
Gray/red – Gray/red
Violet/white – Violet/white
Pink/black – Pink/black
07ZAJ-RDJA110
– GO TO STEP 4.
– • Open circuit in the Yellow/green or
Gray/red wire
• Open circuit in the Violet/white or Pink/
black wire
B – C
110 – 150 Ω (25°C/77°F)
– Replace the ECM/PCM with a known good
one, and recheck.
– Faulty IACV
[1]
Y/G Gr/R
Y/G
Gr/R
P/Bl
V/W
[1]
A
B
[1]
P/Bl V/W
[2]
Y/G
Gr/R
P/Bl
V/W
D
C