Toyota Prius 2010 Repair Manual page 117

The hybrid control system and air conditioning system output DTCs separately. Inspect DTCs following the
flow chart for the hybrid control system first if any DTCs from those systems are output simultaneously.
PROCEDURE
1. CHECK CAN COMMUNICATION SYSTEM
(a) Using the Techstream to check if the CAN communication system is functioning normally.
Result:
CAN DTC is not output
CAN DTC is output
B
GO TO CAN COMMUNICATION SYSTEM
A
2. CHECK DIAGNOSTIC TROUBLE CODE (HYBRID CONTROL SYSTEM)
(a) Check if DTCs for the hybrid control system are output using the Techstream.
OK:
Hybrid control system DTCs are not output.
NG
GO TO HYBRID CONTROL SYSTEM
OK
3. INSPECT ELECTRIC VEHICLE FUSE
CAUTION:
Be sure to wear insulated gloves.
(a) Turn the power switch off.
(b) Remove the service plug grip.
CAUTION:
Do not touch the high-voltage connectors or terminals for 10 minutes after the service plug grip is removed.
NOTICE:
2010 Toyota Prius
Result Proceed to
A
B
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