Power/Ground Line Inspection - Honda CRF1000 Shop Manual

dummyhead dummyhead
PGM-FI SYSTEM
Disconnect the following:
– PCM 33P (Blue) connector [1] (CRF1000D)
– ECM/PCM 33P (Black) connector [2]
– ECM/PCM 33P (Gray) connector [3]
Remove the ECM/PCM [4].
Release the junction terminals [5] from the ECM/PCM
stay [6] and remove the stay by releasing its tab [7] from
the battery box.
Installation is in the reverse order of removal.

POWER/GROUND LINE INSPECTION

Disconnect the ECM/PCM 33P (Black) connector (page
4-39).
POWER INPUT LINE
Measure the voltage between the wire harness side
ECM/PCM 33P (Black) connector [1] and ground.
TOOL:
Test probe
CONNECTION: B1 (+) – Ground (–)
There should be battery voltage with the ignition switch
turned ON and engine stop switch " ".
If there is no voltage, check the following:
– Open circuit in the Black/white wire between the
ECM/PCM and main relay
– FI relay (page 4-43) and related circuit
GROUND LINE
Check for continuity between the wire harness side
ECM/PCM 33P (Black) connector [1] and ground.
TOOL:
Test probe
CONNECTION: B11 – Ground
There should be continuity at all times.
If there is no continuity, check for open circuit in the
Green/blue or Green wire.
4-40
07ZAJ-RDJA110
07ZAJ-RDJA110
B12 – Ground
B22 – Ground
B33 – Ground (CRF1000D)
CRF1000D shown:
[2]
[3]
[4]
[7]
[1]
B1
[1]
B22 B33
[1]
[6]
[5]
B11 B12