Honda Transalp XL700V Manual page 183

FUEL SYSTEM (PGM-FI)
4. O Sensor Heater Short circuit Inspection
2
Check for continuity between the O
(Black) connector and ground.
Connection: Black/green – Ground
Is there continuity?
YES
NO
MIL 29 BLINKS (IACV)
• Before starting the inspection, check for loose or
poor contact on the IACV 4P (Black) connector
and ECM 33P connectors, then recheck the MIL
blinking.
1. IACV Short Circuit Inspection
Turn the ignition switch OFF.
Disconnect the IACV 4P (Black) connector.
Check for continuities between the IACV 4P
(Black) connector and ground.
Connection: Blue/green – Ground
Is there continuity?
YES
NO
2. IACV Circuit Continuity Inspection
Connect the ECM test harness to ECM connec-
tors (page 5-16).
Check for continuities between the test harness
terminal and the IACV 4P (Black) connector.
Connection: A16 – Blue/black
Is there continuity?
YES
NO
5-52
– Short circuit in Black/green wire
– Replace the ECM with a new one, and
recheck; for Key Registration Proce-
dures (page 21-4).
Blue/orange – Ground
Blue/black – Ground
Blue/red – Ground
– • Short circuit in Blue/black or Blue/
orange wire.
• Short circuit in Blue/red or Blue/
green wire.
– GO TO STEP 2.
A27 – Blue/orange
A29 – Blue/red
A19 – Blue/green
– GO TO STEP 3.
– • Open circuit in Blue/black or Blue/
orange wire.
• Open circuit in Blue/red or Blue/
green wire.
sensor 4P
2
O SENSOR 4P (BLACK) CONNECTOR
2
(Wire side/male terminal)
IACV 4P (BLACK) CONNECTOR
(Wire side/female terminal)
Bu/G
Bu/O
A27
Bu/Bl
Bu/G
IACV 4P (BLACK) CONNECTOR
(Wire side/female terminal)
Bl/G
A16
A19
A29
Bu/R
Bu/O
Bu/R
Bu/Bl