## Charging System

#### Charging Circuit Troubleshooting (cont'd)

4-22

10. Check continuity between the ECM connector terminal B10 and body ground.

ECM CONNECTOR B (24P)

Wire side of female terminals

Is there continuity?

YES - Repair short in the wire between the alternator and the ECM.

NO - Go to alternator and regulator test.

Alternator and Regulator Circuit Test

1. Be sure the battery is sufficiently charged, refer to the 2001 Civic Shop Manual (see page 22-79).
2. Raise the hoist to full height.
3. Hook up the ammeter, 0 - 400 A, to the starter sub-harness.

4. Lower the hoist.
5. Hook up the voltmeter, 0 - 20 V (accurate within 0.1 V), to T101.

a a a