Toyota Prius 2010 Repair Manual page 96

HINT:
If vacuum cannot be maintained in the A/C system, there may be a refrigerant leak. In this case, it is necessary
to repair or replace the leaking part of the A/C system.
NG
REPAIR A/C SYSTEM LEAK
OK
9. CHARGE REFRIGERANT
(a) Add an appropriate amount of refrigerant
NEXT
10. RECHECK FOR DTC
(a) Recheck for the DTC when the following conditions are satisfied.
Vehicle Doors
Temperature Setting
Blower Speed
A/C Switch
R/F Switch
Interior Temperature
NOTICE:
If refrigerant pressure on the high pressure line is excessive, this DTC will be set. Therefore, it is necessary to
measure the voltage over a period of time (approximately 10 minutes) because this DTC may be set after the
A/C has been operating for a while.
HINT:
When the outside air temperature is low (below -1.5°C (29.3°F)), the compressor stops due to signals from the
ambient temperature sensor and the evaporator temperature sensor to prevent the evaporator from freezing. In
this case, perform the inspection in a warm indoor environment.
Result:
DTC B1423/23 is output
2010 Toyota Prius
Item
Result
.
Fully open
MAX COLD
HI
on
RECIRCULATION
25 to 35°C (77 to 95°F)
Condition
Proceed to
A
Repair Manual