HYBRID BATTERY SYSTEM, Diagnostic DTC:P0A80-123
| DTC Code | DTC Name |
|---|---|
| P0A80-123 | Replace Hybrid Battery Pack |
DESCRIPTION
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The HV battery uses nickel metal-hydride batteries and does not require external charging. The power management control ECU controls the SOC (state of charge) of the HV battery at a constant level during driving. The HV battery is composed of 40 modules, and each module consists of six 1.2 V cells in series. The battery smart unit monitors battery block voltage at 20 locations. Each battery block is composed of 2 modules in a set.
DTC No. INF Code DTC Detection Condition Trouble Area P0A80 123 Difference in voltage between battery blocks is larger than the standard (2 trip detection)
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HV battery
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Battery smart unit
Tech Tips
P0A80-123 will not be set unless the vehicle is driven for approximately 10 minutes after clearing the DTC.
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INSPECTION PROCEDURE
CAUTION:
When disposing of an HV battery, make sure to return it through an authorized collection agent who is capable of handling it safely. If the HV battery is returned via the manufacturer specified route, it will be returned properly and in a safe manner by an authorized collection agent.
PROCEDURE
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CHECK DTC OUTPUT (HYBRID CONTROL)
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Connect the GTS to the DLC3.
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Turn the power switch on (IG).
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Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
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Read output DTCs.
Result Result Proceed to P0AFC-123 is not output. A P0AFC-123 is also output. B -
Turn the power switch off.
B 
GO TO DTC CHART (P0AFC-123) Click here
A 
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CHECK FREEZE FRAME DATA
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Connect the GTS to the DLC3.
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Turn the power switch on (IG).
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Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
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Read output DTCs.
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Using the GTS, make a note of the freeze frame data item "Battery Block Vol -V01 to V20".
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Compare the freeze frame data item "Battery Block Vol -V01 to V20" 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 Battery Block Vol - V12 (VB12) Battery Block Vol - V11 (VB11) "Battery Block Vol - V12" - "Battery Block Vol - V11" = 0.3 V or more Battery Block Vol - V13 (VB13) Battery Block Vol - V14 (VB14) "Battery Block Vol - V13" - "Battery Block Vol - V14" = 0.3 V or more Battery Block Vol - V16 (VB16) Battery Block Vol - V15 (VB15) "Battery Block Vol - V16" - "Battery Block Vol - V15" = 0.3 V or more Battery Block Vol - V17 (VB17) Battery Block Vol - V18 (VB18) "Battery Block Vol - V17" - "Battery Block Vol - V18" = 0.3 V or more Battery Block Vol - V20 (VB20) Battery Block Vol - V19 (VB19) "Battery Block Vol - V20" - "Battery Block Vol - V19" = 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 Battery Block Vol - V12 (VB12) Battery Block Vol - V11 (VB11) "Battery Block Vol - V11" - "Battery Block Vol - V12" = 0.3 V or more Battery Block Vol - V13 (VB13) Battery Block Vol - V14 (VB14) "Battery Block Vol - V14" - "Battery Block Vol - V13" = 0.3 V or more Battery Block Vol - V16 (VB16) Battery Block Vol - V15 (VB15) "Battery Block Vol - V15" - "Battery Block Vol - V16" = 0.3 V or more Battery Block Vol - V17 (VB17) Battery Block Vol - V18 (VB18) "Battery Block Vol - V17" - "Battery Block Vol - V18" = 0.3 V or more Battery Block Vol - V20 (VB20) Battery Block Vol - V19 (VB19) "Battery Block Vol - V20" - "Battery Block Vol - V19" = 0.3 V or more 
Tech Tips
When an internal malfunction occurs in the battery smart unit, this symptom (difference in voltage of 0.3 V or more for all 10 pairs of blocks) will occur.
Result Result Proceed to All conditions in table 1 are met. A All conditions in table 2 are met. Other than above B -
Turn the power switch off.
B
REPLACE HV BATTERY Click here
A 
REPLACE BATTERY SMART UNIT Click here
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