DTC P0A80-123: Replace Hybrid Battery Pack [12/2014 - ]: Procedure

CHECK DTC OUTPUT (HYBRID CONTROL) See step 1
B → See step 5

A: Go to next step

CHECK BATTERY SMART UNIT

Connect the Techstream to the DLC3.
Turn the ignition switch to ON (IG).
Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
Read output DTCs.
Using the Techstream, make a note of the freeze frame data item "Battery Block Vol - V01 to V10".

Compare the freeze frame data item "Battery Block Vol - V01 to V10" values with those shown in the following combination tables.

TABLE 1

Circuit A Battery Block	Circuit B Battery Block	Condition
Battery Block Vol - V01 (VB1)	Battery Block Vol - V02 (VB2)	"Battery Block Vol - V01" - "Battery Block Vol - V02" = 0.3 V or more
Battery Block Vol - V04 (VB4)	Battery Block Vol - V03 (VB3)	"Battery Block Vol - V04" - "Battery Block Vol - V03" = 0.3 V or more
Battery Block Vol - V05 (VB5)	Battery Block Vol - V06 (VB6)	"Battery Block Vol - V05" - "Battery Block Vol - V06" = 0.3 V or more
Battery Block Vol - V08 (VB8)	Battery Block Vol - V07 (VB7)	"Battery Block Vol - V08" - "Battery Block Vol - V07" = 0.3 V or more
Battery Block Vol - V09 (VB9)	Battery Block Vol - V10 (VB10)	"Battery Block Vol - V09" - "Battery Block Vol - V10" = 0.3 V or more

TABLE 2

Circuit A Battery Block	Circuit B Battery Block	Condition
Battery Block Vol - V01 (VB1)	Battery Block Vol - V02 (VB2)	"Battery Block Vol - V02" - "Battery Block Vol - V01" = 0.3 V or more
Battery Block Vol - V04 (VB4)	Battery Block Vol - V03 (VB3)	"Battery Block Vol - V03" - "Battery Block Vol - V04" = 0.3 V or more
Battery Block Vol - V05 (VB5)	Battery Block Vol - V06 (VB6)	"Battery Block Vol - V06" - "Battery Block Vol - V05" = 0.3 V or more
Battery Block Vol - V08 (VB8)	Battery Block Vol - V07 (VB7)	"Battery Block Vol - V07" - "Battery Block Vol - V08" = 0.3 V or more
Battery Block Vol - V09 (VB9)	Battery Block Vol - V10 (VB10)	"Battery Block Vol - V10" - "Battery Block Vol - V09" = 0.3 V or more

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

When an internal malfunction occurs in the battery smart unit, this symptom (difference in voltage of 0.3 V or more for all 5 pairs of blocks) will occur.

Result

Result	Proceed to
All conditions in table 1 are met.	A
All conditions in table 2 are met.	A
Other than above	B

Turn the ignition switch off.

B → See step 4

A → See step 3

REPLACE BATTERY SMART UNIT. Refer to COMPONENTS [12/2014 - ]
REPLACE HV BATTERY. Refer to COMPONENTS [12/2014 - ]
GO TO DTC TABLE (P0AFC-123). Refer to DTC P0AFC-123: Hybrid Battery Pack Sensor Module [12/2014 - ]