Honda Civic 1998 Service Manual page 1070

Troubleshooting
Condenser Fan (cont'dl
Check the diode:
1. Disconnect the jumper wire.
2 . R e m o v e t h e d i o d e f r o m t h e
under-hood fuse/relay box.
3. Check for current flow in both
directions between the A and
B terminals.
a o--J(-----o n
From page 22-8
ls there current flow in only
one direction?
22-10