Toyota Prius 2010 Repair Manual page 41

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
Use the following procedure to troubleshoot the air conditioning system.
*: Use the Techstream.
1. VEHICLE BROUGHT TO WORKSHOP
NEXT
2. INSPECT BATTERY VOLTAGE
(a) Inspect the battery voltage with the power switch off.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
NEXT
3. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*
(a) Use the Techstream to check if the LIN communication system is functioning normally.
Result:
LIN DTC is not output
LIN DTC is output
B GO TO LIN COMMUNICATION SYSTEM
A
4. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Result:
CAN DTC is not output
2010 Toyota Prius
Result
Result
Proceed to
A
B
Proceed to
A
Repair Manual