Toyota Prius 2010 Repair Manual page 91

(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
L17-9 (PRE) - Body ground
HINT:
If the voltage is not as specified, there may be a malfunction in the A/C amplifier, A/C pressure sensor or wire
harness. It is also possible that the amount of refrigerant may not be appropriate.
Text in Illustration
Component with harness connected
*1
(A/C Amplifier)
NG
CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - A/C PRESSURE SENSOR)
OK
4. INSPECT A/C PRESSURE SENSOR (SENSOR SIGNAL CIRCUIT)
(a) Measure the voltage when the following conditions are satisfied.
Vehicle Doors
Temperature Setting
Blower Speed
A/C Switch
2010 Toyota Prius
Power switch on (IG)
(A/C: off)
Item
Condition
Fully open
MAX COLD
HI
on
Specified Condition
0.73 to 4.84 V
Condition
Repair Manual