Subaru SVX 1992 Manual page 1042

4-7 [T1 MIDI] AUTOMATIC AIR CONDITIONING SYSTEM
1 1 . Troubleshooting Chart with Trouble Cord
A: TROUBLE CODE (11/21) - Check in-vehicle sensor circuit.
CONTENT OF DIAGNOSIS :
11 : Open circuit
21 : Short circuit
Not OK
1 Check in-vehicle sensor .
OK
Not OK
2 Check input signals for in-vehicle sensor .
OK
Repair Auto amplifier terminal poor contact. (Replace
auto amplifier .)
Replace and recheck .
TROUBLE SYMPTOM :
Fan speed, outlet and inlet ports do not change when
AUTO or ECON switch is ON .
Replace in-vehicle sensor . I
Repair harness . (Replace auto amplifier .)
In-vehicle senscr
IIIGl
Iw I
04-699 1
Fig. 217
108