Toyota Prius 2010 Repair Manual page 383

(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
Measurement Item/Range
Display
Solar IG Solar ventilation ECU IG
Status status / OFF or ON
OK:
The display is as specified in the Normal Condition column.
Result:
NG
OK
(When troubleshooting according to Problem Symptoms Table (for Solar Ventilation System))
OK
(When troubleshooting according to Problem Symptoms Table (for Air Conditioning System))
C
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
B
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
A
2. CHECK HARNESS AND CONNECTOR (SOLAR VENTILATION ECU - BATTERY)
2010 Toyota Prius
Normal
Condition
OFF: Power
switch off
ON: Power switch
on (IG)
Result
(a) Disconnect the solar ventilation ECU connector.
Diagnostic Note
When OFF is displayed, a malfunction in the
solar ventilation ECU is suspected.
Proceed to
A
B
C
Repair Manual