Radiator And Condenser Fans Common Circuit Troubleshooting - Honda EP3 Service Manual

9 .
1 0 .
Disconnect the condenser fan 2P connector,
Check for continuity between the No. 1 terminal of
the condenser fan relay 4P socket and the No. 2
terminal of the condenser fan 2P connector.
CONDENSER FAN RELAY 4P SOCKET
CONDENSER FAN 2P CONNECTOR
Wire side of female terminals
Is there continuity?
YES Go to step 1 1.
NO- Repair open in the wire between the
c o n d e n s e r f a n r e l a y a n d t h e c o n d e n s e r f a n , I
Check for continuity between the No. 1 terminal of
the condenser fan 2P connector and body ground.
CONDENSER FAN 2P CONNECTOR
1
2
BLK
o
Wire side of {emale terminals
ls there continuity?
YES- Replace the condenser fan motor.I
NO Check for an open in the wire between the
condenser fan and body ground. lf the wire is oK,
c h e c k f o r p o o r g r o u n d a t G 3 0 1 . 1
'11 .
Radiator and Condenser Fans
Common Circuit Troubleshooting
NOTE; lf both fans and the Ay'C compressor clutch do
not work when the Ay'C switch is on, go to Ay'C Pressure
Switch Circuit Troubleshooting (see page 21-32l, .
1. Check the No. 1 {20A} and No. 4 (20A) fuses in the
under-hood fuse/relay box, and the No. 14 (10A)
fuse in the under-dash fuse/relay box.
Are the tuses OK?
YES Go to steD 2.
NO Replace the fuse(s), and recheck.l
2. Remove the condenser fan relav from the
under-hood f use/relay box.
3 . T u r n t h e i g n i t i o n s w i t c h O N ( l l ; .
4. Measure the voltage between the No. 3 terminal of
the condenser fan relay 4P socket and body ground.
ls there battery voltage?
YES Go to step 5.
NO Repair open in the wire between the No. 14
fuse in the under-dash fuse/relay box and the
radiator fan relay, and the condenser fan relay.l
5. Turn the ignition switch OFF.
6 . R e i n s t a l l t h e c o n d e n s e r f a n r e l a y .
7 . M a k e s u r e t h e I V C s w i t c h i s O F F .
8 . T u r n t h e i g n i t i o n s w i t c h O N ( l l ) .
(cont'd)
CONDENSER FAN RELAY 4P SOCKET
r-,
-l
1 2 l
f---r---
l , l , l
lar-vver-
l
o
I
21-29