Radiator Fan Circuit Troubleshooting - Honda Accord 2008 Manual

07/11/02 09:14:06 61TA0000_100_0022
Fan Controls

Radiator Fan Circuit Troubleshooting

1. Check for the PGM-FI DTCs (see page 11-3).
Are DT Cs P2183, P2184, and/ or P2185
indicated?
YES
recheck.
−
NO
2. Check the No. 3 (30 A), fuse in the under-hood
fuse/relay box, and No. 16 (7.5 A), fuse in the
driver's under-dash fuse/relay box.
Are the f uses OK ?
YES
NO −
3. Remove the radiator fan relay from the under-hood
fuse/relay box, and test it (see page 22-91).
Is the relay box OK ?
YES
−
NO
4. Measure the voltage between radiator fan relay 4P
socket terminal No. 1 and body ground.
＊０１
Is there battery voltage?
YES
−
NO
10-22
− Do the appropriate troubleshooting, then
Go to step 2.
− Go to step 3.
Replace the fuse(s) and recheck.
− Go to step 4.
Replace the radiator fan relay.
RADIATOR FAN RELAY 4P SOCKET
Terminal side of female terminals
− Go to step 5.
Replace the under-hood fuse/relay box.
5. Connect radiator fan relay 4P socket terminals No.
1 and No. 2 with a jumper wire.
RADIATOR FAN RELAY 4P SOCKET
Terminal side of female terminals
Does the radiator f an run?
YES − Go to step 9.
−
NO Go to step 6.
6. Disconnect the radiator fan motor 2P connector.
7. Check for continuity between radiator fan relay 4P
socket terminal No. 2 and radiator fan motor 2P
connector terminal No. 2.
RADIATOR FAN RELAY 4P SOCKET
Terminal side of
female terminals
Wire side of
female terminals
RADIATOR FAN MOTOR 2P CONNECTOR
Is there continuity?
−
YES Go to step 8.
NO − Repair open in the wire between the under-
hood fuse/relay box and radiator fan motor 2P
connector terminal No. 2.
ＴＡ０８ＡＥ４Ａ１４４２６１４９４１１ＦＡＡＴ００
JUMPER
WIRE
BLU/BLK
＊０２
＊０３