Toyota Prius 2010 Repair Manual page 90

Text in Illustration
Front view of wire harness connector
*1
(to A/C Pressure Sensor)
NG
CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - A/C PRESSURE SENSOR)
OK
2. CHECK HARNESS AND CONNECTOR (GROUND CIRCUIT)
NG
CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - A/C PRESSURE SENSOR)
OK
3. INSPECT A/C PRESSURE SENSOR (SENSOR SIGNAL CIRCUIT)
(a) Reconnect the A/C pressure sensor connector.
2010 Toyota Prius
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
A31-1 (-) - Body ground
Text in Illustration
Front view of wire harness connector
*1
(to A/C Pressure Sensor)
(b) Remove the A/C amplifier with the connectors still connected.
Condition Specified Condition
Always Below 1 Ω
Repair Manual