Toyota Prius 2010 Repair Manual page 135

(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
z11-2 (BUS G) - Body ground
Text in Illustration
Component with harness connected
*1
(A/C Amplifier)
NG
REPLACE A/C AMPLIFIER
OK
2. INSPECT A/C AMPLIFIER
2010 Toyota Prius
Condition
Always
(a) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
z11-4 (B BUS) - z11-2 (BUS
G)
z11-4 (B BUS) - z11-2 (BUS
G)
z11-3 (BUS) - z11-2 (BUS G)
Text in Illustration
Specified Condition
Below 1 Ω
Condition
Power switch off Below 1 V
Power switch on
11 to 14 V
(IG)
Power switch on
Pulse generation
(IG)
Specified
Condition
Repair Manual