Alternator And Regulator Circuit Test - Honda EP3 Service Manual

'10.
Check continuity between the ECM connector
t e r m i n a l 8 1 0 a n d b o d y g r o u n d .
ECM CONNECTOR S I24PI
2
3 t 4 t 5 6 7
8 I 10
,/1,/
3
15
1 1
8
,N
nt,/
21 23
ACGL (WHT/BLUI
t1'
Wire side ol female terminals
ls there continuity?
YES- Repair short to ground in the wire between
the ECM and the engine wire harness 6P connector.
t
NO-Go to alternator and regulator test.
Alternator and Regulator Circuit Test
1. Be sure the battery is sufficiently charged and in
good condition {see page 22-50), and the
connections at the fuse box and alternator are
clean and tight.
2. Raise the hoist to full height.
3. Hook up the ammeter, 0 400 A, to the starter
s u b h a r n e s s .
Lower the hoist.
Hook up the voltmeter, 0 20 V (accurate within
0 . 1 V ) , t o T 1 0 1 .
(cont'd)
4-23