Toyota Prius 2010 Repair Manual page 392

(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Air Conditioner / Data List.
(e) Check the value(s) by referring to the table below.
Air Conditioner
Tester Display
Solar Ventilation
Switch
Solar Ventilation
Switch Status
OK:
The display is as specified in the Normal Condition column.
Result:
OK
NG
(OFF/ON display does not change for both Solar Ventilation Switch Status and Solar Ventilation
Switch even though the solar ventilation switch is operated.)
NG
(OFF/ON display does not change for Solar Ventilation Switch even though the solar ventilation
switch is operated.)
NG
(OFF/ON display does not change for Solar Ventilation Switch Status even though the solar
ventilation switch is operated.)
D
REPLACE SOLAR VENTILATION ECU
C
CHECK HARNESS AND CONNECTOR (SOLAR VENTILATION ECU - A/C AMPLIFIER)
B
INSPECT SOLAR VENTILATION SWITCH
A
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
2010 Toyota Prius
Measurement Item/Range
Solar ventilation switch (Switch recognition value at
A/C amplifier side) / OFF or ON
Solar ventilation switch (Switch recognition value at
solar ventilation ECU side) / OFF or ON
Result
Normal Condition
OFF: Solar
ventilation switch off
ON: Solar ventilation
switch on
OFF: Solar
ventilation switch off
ON: Solar ventilation
switch on
Diagnostic
Note
-
-
Proceed
to
A
B
C
D
Repair Manual