Symptom Troubleshooting Index - Honda Accord 2008 Manual

07/11/02 09:13:56 61TA0000_100_0020
Fan Controls

Symptom Troubleshooting Index

Symptom
Engine overheats
The radiator fan does not run at all
The radiator fan does not run for
engine cooling, but it runs with
the A/C on
The A/C condenser fan does not
run at all (but the radiator fan runs
with the A/C on)
Both the radiator fan and the A/C
condenser fan do not run with the
A/C on (but the A/C compressor
runs with the A/C on)
10-20
ＴＡ０８ＡＥ４Ａ１４４２６１０００００ＨＢＡＴ０１
Diagnostic procedure
1. Check the coolant level.
2. Check for any engine coolant leaks (from
gaskets, hoses, O-rings, etc.).
3. Check for dirt, leaves, or insects on radiator
and A/C condenser.
4. Check for deteriorated coolant.
5. Check for damaged or deformed fan shroud.
6. Inspect the fan motors (see page 10-4) or
radiator fan relay (see page 22-91) and A/C
condenser fan relay (see page 22-91).
7. Check the radiator cap (see page 10-3).
8. Check the thermostat (see page 10-4).
9. Inspect the water pump (see page 10-5).
10. Check for a plugged or deteriorated radiator
hoses.
11. Check for plugged heater core or hoses.
12. Check for a damaged cylinder head gasket.
1. Check for PGM-FI DTCs (see page 11-3).
2. Radiator fan circuit troubleshooting (see page
10-22).
1. Check for PGM-FI DTCs (see page 11-3).
2. Radiator fan circuit troubleshooting (see page
10-22).
A/C condenser fan circuit troubleshooting (see page
21-43).
Radiator and A/C condenser fan common circuit
troubleshooting (see page 21-44).
Also check for
Cleanliness and
tightness of all
connectors
Cleanliness and
tightness of all
connectors
• HVAC DTCs
(see page 21-9)
• Cleanliness and
tightness of all
connectors
• HVAC DTCs
(see page 21-9)
• Cleanliness and
tightness of all
connectors