HYBRID CONTROL SYSTEM, Diagnostic DTC:P0AC0-817
| DTC Code | DTC Name |
|---|---|
| P0AC0-817 | Hybrid Battery Pack Current Sensor Circuit Range / Performance |
DESCRIPTION
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The battery current sensor, which is mounted on the positive cable side of the HV battery, detects the amperage that flows into the HV battery. The battery smart unit receives a voltage, which varies between 0 and 5 V in proportion to the amperage, at its IB terminal from the battery current sensor. An output voltage of the battery current sensor below 2.5 V indicates that the HV battery is being discharged, and above 2.5 V indicates that the HV battery is being charged. The power management control ECU determines the charging and discharging amperage of the HV battery based on the signals that are input to its IB terminal from the battery smart unit, and calculates the SOC (state of charge) of the HV battery through the accumulated amperage.
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0AC0 | 817 | HV battery current sensor performance problem |
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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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Check if DTCs are output.
Result Result Proceed to P0AC0-817 only is output. A P0AFC-123 is output. B -
Turn the power switch off.
B 
GO TO DTC CHART (P0AFC-123) Click here
A 
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REPLACE HYBRID BATTERY JUNCTION BLOCK ASSEMBLY
NEXT
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CLEAR DTC
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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 and record the DTCs and freeze frame data.
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Clear DTCs and freeze frame data.
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Turn the power switch off.
NEXT
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PERFORM ROAD TEST
NEXT
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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.
-
Check if DTCs are output.
Result Result Proceed to P0AC0-817 is not output. A P0AC0-817 is output again. B -
Turn the power switch off.
A
COMPLETED
B
REPLACE BATTERY SMART UNIT Click here
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