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4-7 IT12FOI
AUTOMATIC AIR CO NDITIONING SYSTEM
F: MODE 05 - Evaporator sensor (T evp) -
CONDITION :
" Engine warmed up completely after starting
" A/C system operating in AUTO mode and compart-
ment temperature set to 18°C (65°F) [FULL COOL]
Press OFF switch .
Probable cause (item outside "specified date")
1
Check compressor operation .
OK
2
Check refrigerant gas amount.
OK
3
Check as per trouble codes 14 and 24 .
SPECIFICATION DATA :
When A/C system is OFF, evaporator sensor tempera-
ture close to ambient temperature should be indi-
cated.
Indication : -20 deg F (open circuit)
117 deg F (shorted circui
Not OK
Check magnet clutch circuit.
Not OK
Repair leaks and replenish refrigerant.
G: MODE 06 - Sunload sensor (Q sun) -
CONDITION :
" Engine warmed up completely after starting
" After operating A/C system in AUTO mode, place ve-
hicle in the sun.
Probable cause (item outside "specified date")
Check as per trouble codes 13 and 23 .
134
SPECIFICATION DATA :
Sensor operation differs according to weather and the
season.
Indication : 0 kcal (open circuit)
1,262 kcal (shorted circuit)
e If sunload sensor is checked indoors or in dark
places, "0" kcal will be indicated . To check sunload
sensor in such adverse conditions, use a lighted 100
watt bulb and move it close to the sensor .
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Table of Contents
Troubleshooting
