P0AC0-123

HYBRID BATTERY CONTROL: HYBRID BATTERY SYSTEM: P0AC0-123: Hybrid Battery Pack Current Sensor Circuit Range / Performance

DTC P0AC0-123 - Hybrid Battery Pack Current Sensor Circuit Range / Performance

DESCRIPTION

Refer to the circuit description for DTC P0ABF-123 P0ABF.






MONITOR DESCRIPTION

If the battery smart unit detects a malfunction in the battery current sensor, the hybrid vehicle control ECU will illuminate the MIL and set a DTC.

MONITOR STRATEGY





TYPICAL ENABLING CONDITIONS





TYPICAL MALFUNCTION THRESHOLDS





COMPONENT OPERATING RANGE





WIRING DIAGRAM

Refer to the wiring diagram for DTC P0ABF-123 P0ABF.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC OUTPUT (DTC P0A1F-123 IS OUTPUT)
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
(d) Check if DTCs are output.
Result:
DTC P0A1F-123 is output.
YES -- GO TO INSPECTION PROCEDURE RELEVANT TO OUTPUT DTC
NO -- Continue to next step.
2. REPLACE HV RELAY ASSEMBLY
Components
NEXT -- Continue to next step.
3. CLEAR DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
(d) Clear the DTCs.
(e) Perform a road test.
HINT: For 2 trip detection, turn the power switch off and perform a road test again after the first road test.

NEXT -- Continue to next step.
4. RECONFIRM DTC OUTPUT
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
(d) Check if DTCs are output.
Result:
DTC P0AC0-123 is output.
YES -- REPLACE BATTERY SMART UNIT
NO -- COMPLETED