Toyota Prius 2010 Manual page 5

P0AA6 and P0A1D (power management control ECU malfunction) are output.
P0AA6 and P0AA7 (malfunction in the battery smart unit) are output.
P0AA6 and P0A1F (battery ECU malfunction) are output.
(e) Turn the power switch off.
A
2. CHECK INFORMATION CODE
(a) Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
(b) Access the freeze frame data of DTC P0AA6 and read the INF code.
NOTICE:
INF codes 611, 612, 613 and 614 are not stored at the same time with INF code 526. If INF code 526 only is
output, turn the power switch off and wait 30 seconds to determine the malfunctioning area. Then, turn the
power switch on (IG) and read the INF code again.
Result:
526 (decrease in the insulation resistance of the high-
voltage circuit) only is output
526 and 611 (decrease in the insulation resistance of
the air conditioning area) are output
526 and 612 (decrease in the insulation resistance of
the battery area) are output
526 and 613 (decrease in the insulation resistance of
the transaxle area) are output
526 and 614 (decrease in the insulation resistance of
the high-voltage DC area) are output
RESULT
P0AA6 only is output.
RESULT
D
GO TO DTC CHART (P0AFC)
C
GO TO DTC CHART (P0AA7)
B
GO TO DTC CHART (P0A1D)
Refer to the troubleshooting procedures for P0AA6-611
(Heater and air conditioning system)
CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY
D
(MOTOR CABLE)
C
CHECK INVERTER WITH CONVERTER ASSEMBLY
PROCEED TO
PROCEED TO
A
B
C
D
A
B
C
D