Toyota Prius 2010 Repair Manual page 203

1. INSPECT A/C AMPLIFIER
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
L17-1 (IG+) - L17-14 (GND)
L17-1 (IG+) - L17-14 (GND)
Text in Illustration
Component with harness connected
*1
(A/C Amplifier)
NG
CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - BATTERY)
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
2. CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - BATTERY)
2010 Toyota Prius
(a) Remove the A/C amplifier with its connectors still connected.
Condition
Power switch off
Power switch on (IG)
(a) Disconnect the A/C amplifier connector.
Specified Condition
Below 1 V
11 to 14 V
Repair Manual