Alternator And Regulator Circuit Test - Honda Civic 2002-2003 Service Manual

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10. Check continuity between the ECM connector
terminal 810 and body ground.
ECM CONNECTOR B 124PI
1 2 3
6 7
8 9 10
13 15
1718 21 23
ACGL IWHT/BLUI
Wire side of female terminals
Is there continuity?
YES-Repair short to ground in the wire between
the ECM and the engine wire harness 6P connector .
•
NO-Go to alternator and regulator test.
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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
sub harness.
1 - _ _ _ _
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_-_9--;;;;
4. Lowerthe hoist.
5. Hook up the voltmeter, 0-20 V (accurate within
0.1 V),to Tl0l.
(conl'd)
4-23