*1 : If the room temp. is approx. -18.6°C(-3.7°F) or lower, trouble code 11 may be output even though
the system is normal.
*2 : If the check is being performed in a dark place, DTC 21 (solar sensor circuit abnormal) could be
displayed.
*3 : Compressor lock (DTC22) is indicated only for a current occurring malfunction (See page 05?712) .
To confirm DTC 22, perform the following steps.
(1) With the engine ON, enter the DTC check mode.
(2) Press the F/R switch to enter actuator check mode, and set the operation to Step No. 3.
(3) Press the AUTO switch to return to DTC check mode.
(4) The DTC is displayed after approx. 3 sec..
DTC 22 COMPRESSOR LOCK SENSOR CIRCUIT
This sensor sends 4 pulses par engine revolution to the A/C amplifier. If the number ratio of the compressor speed divided by the engine speed is smaller than a predetermined value, the A/C amplifier turns the compressor off. And, the indicator flashes at about 1 sec. intervals.