Honda Transalp XL700V Manual page 167

FUEL SYSTEM (PGM-FI)
4. O Sensor Heater Open circuit Inspection
2
Turn the ignition switch OFF.
Disconnect the ECM 33P (Gray) connector.
Check for continuity between the ECM 33P
(Gray) connector and O
nector of the wire harness side.
Connection: B2 – Black/green
TOOL:
Test probe
Is there continuity?
YES
NO
5. O Sensor Heater Short circuit Inspection
2
Connect the ECM 33P (Gray) connector.
Check for continuity between the O
(Black) connector of the wire harness side and
ground.
Connection: Black/green – Ground
Is there continuity?
YES
NO
DTC 29-1 (IACV)
• Before starting the inspection, check for loose or
poor contact on the IACV 4P (Black) connector
and ECM 33P connectors, then recheck the DTC.
1. Recheck DTC
Clear the DTC's (page 5-15).
Start the engine and recheck the DTC.
Is the DTC 29-1 indicated?
NO
YES
2. IACV Short Circuit Inspection
Turn the ignition switch OFF.
Disconnect the IACV 4P (Black) connector.
Check for continuity between the IACV 4P (Black)
connector of the wire harness side and ground.
Connection: Blue/green – Ground
Is there continuity?
YES
NO
5-36
sensor 4P (Black) con-
2
07ZAJ-RDJA110
– GO TO STEP 5.
– Open circuit in Black/green wire
– Short circuit in Black/green wire
– Replace the ECM with a new one, and
recheck; for Key Registration Proce-
dures (page 21-4).
– Intermittent failure
– GO TO STEP 2.
Blue/orange – Ground
Blue/black – Ground
Blue/red – Ground
– • Short circuit in Blue/green or Blue/
orange wire.
• Short circuit in Blue/black or Blue/red
wire.
– GO TO STEP 3.
ECM 33P (GRAY) CONNECTOR
(Wire side/female terminal)
Bl/G
O SENSOR 4P (BLACK) CONNECTOR
2
(Wire side/male terminal)
O SENSOR 4P (BLACK) CONNECTOR
2
sensor 4P
(Wire side/male terminal)
2
IACV 4P (BLACK) CONNECTOR
(Wire side/female terminal)
Bu/G
Bu/O
B2
Bl/G
Bu/R
Bu/Bl