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184
TROUBLESHOOTING HINTS
1. Neither the radiator fan nor condenser
fan rotate at all.
Check fusible link No. 5
l
2. Only the condenser fan does not
operate.
Check dedicated fuse No. 8.
l
3. The radiator fan and condenser fan do
not operate in the low speed mode, but
operate otherwise.
(1) The AK compressor magnet clutch does
not enter the "ON" state.
Check whether the output of the
l
compressor control unit is available.
NOTE
For troubleshooting of the air conditioning
control unit, refer to GROUP 55.
(2) The A/C compressor magnet clutch enters
the "ON" state.
Check the resistor.
l
Fan Operating Mode
ON
ON
CIRCUIT DIAGRAMS - Cooling Circuit
auto
ant temperature
switch
conditioning cut-
over, ON at 108°C
OFF
ON
TSB Revision
Check the radiator fan motor relay (LO)
l
and condenser fan motor relay (LO).
Check the therm0 sensor (for radiator
l
fan).
(3) The radiator fan does not rotate when the
air conditioning switch is turned ON.
Check the radiator fan motor control
l
relay.
4. The radiator fan and condenser fan do
not operate in the high speed mode,
operate otherwise.
Check the therm0 sensor (for condenser
l
fan).
Check the radiator fan motor relay (HI) and
l
condenser fan motor relay (HI).
(for
air
Radiator fan mo-
ON
LOW
HIGH
HIGH
OFF
but
LOW
HIGH
LOW
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