Honda CRF450R 2009 Service Manual page 531

POWER OUTPUT LINE
Disconnect the ECM 33P (Black) connector.
- '09 - '12: (page 6-73)
- After ' 12: (page 6-74)
Check for continuity at the Black wire between the
regulator/rectifier connector and ECM 33P (Black)
connector.
TOOLS :
Test probe, 2 pack
07ZAJ-ROJA110
There should
be
continuity at all times.
GROUND LINE
Check for continuity between the Green wire terminal
and ground.
There should be con tinuity at all times.
ALTERNATOR COIL LINE
'09 - '12:
ELECTRICAL SYSTEM
33P(BLACK)CoNNECTOR
(wire side/female terminal)
I
BI
23
'------{ Q
f-----'
5P(BLACK)CONNECTOR
(wire sidelfemale terminal)
After '12:
BI
33P(BLACK)CoNNECTOR
(wire side/female terminal)
"' -
23
Q
6P (NATURAL) CONNECTOR
(wire side/female terminal)
'09-'12:
5P (BLACK)
CONNECTOR
After '12:
6P (NATURAL)
CONNECTOR
G
Q
(wire side/female terminal)
Measure the resistance at the alternator side connector r-"-O-_-"-2~,-----'- A~ft~e-'~"~2~ ' - - -- - ,
terminals.
5P (BLACK) 6P (NATURAL)
Connection : Yellow - White
STANDARD: 0.1 _ 3.0
Q
(at 20°CI68°F)
If resis tance is out of specification , measure the
resistance at the a!ternator/CKP sensor connector
(page 17-12).
If all components of the charging system are normal
and there are no loose connection at the regulator/
rectifier connector, replace the regulator/rectifier.
y
CONNECTOR CONNECTOR
w
w
y
Q
(wire sideffemale terminal)
17-15