Toyota Corolla Cross: Hybrid Battery System
Toyota Corolla Cross (2022-2024) Service Manual / Engine & Hybrid System / Hybrid / Battery Control / Hybrid Battery System
- Precaution
- Definition Of Terms
- Parts Location
- How To Proceed With Troubleshooting
- Utility
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Freeze Frame Data
- Vehicle Behavior Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Registration / Initialization / Learning
- VEHICLE CONTROL HISTORY (RoB)
- System Voltage (BATT) Circuit Short to Ground or Open (P056014)
- Hybrid/EV Battery Energy Control Module Processor to Monitoring Processor Signal Invalid (P060629)
- Hybrid/EV Battery Energy Control Module Processor to Monitoring Processor Missing Message (P060687)
- Hybrid/EV Battery Energy Control Module Monitoring Processor Watchdog / Safety MCU Failure (P060A47)
- Hybrid/EV Battery Energy Control Module Processor from Monitoring Processor Missing Message (P060A87)
- Hybrid/EV Battery Energy Control Module A/D Processing Circuit Voltage Below Threshold (P060B16)
- Hybrid/EV Battery Energy Control Module A/D Processing Internal Electronic Failure (P060B49)
- Hybrid/EV Battery Energy Control Module EEPROM Data Memory Failure (P062F44)
- Hybrid/EV Battery Energy Control Module EEPROM Calibration / Parameter Memory Failure (P062F46)
- Hybrid/EV Powertrain Control Module Unexpected Operation (P0A1D94)
- Hybrid/EV Battery Cooling Fan 1 Control Circuit High (P0A8100,P0A8115)
- Hybrid/EV Battery Cooling Fan 1 Component Internal Failure (P0A8196,P0A8198)
- High Voltage Fuse Accumulated Load History (P0A9563)
- Hybrid/EV Battery Temperature Sensor "A" Circuit Short to Ground (P0A9B11,...,P0C3315)
- Hybrid/EV Battery Temperature Sensor "A" Voltage Out of Range (P0A9B1C,P0AC51C,P0ACA1C,P0AE81C,P0BC21C,P0C331C)
- Hybrid/EV Battery Temperature Sensor "A" Signal Stuck In Range (P0A9B2A,P0AC52A,P0ACA2A,P0AE82A,P0BC22A,P0C332A,P306562,P306A62)
- Hybrid/EV Battery Air Temperature Sensor "A" Circuit Short to Ground (P0AAC11,P0AAC15)
- Hybrid/EV Battery Current Sensor "A" Circuit Short to Ground (P0ABF11,P0ABF15,P0B0E11,P0B0E15,P1CBB12,P1CBB14)
- Hybrid/EV Battery Current Sensor "A" Signal Bias Level Out of Range / Zero Adjustment Failure (P0ABF28)
- Hybrid/EV Battery Current Sensor "A" Signal Stuck In Range (P0ABF2A)
- Hybrid/EV Battery Current Sensor "A"/"B" Signal Compare Failure (P0B1362)
- Hybrid/EV Battery State of Charge High (P0C3000)
- Hybrid/EV Battery Energy Control Module Hybrid/EV Battery Monitor Performance (P0E2D00)
- Hybrid Battery Stack 2 Cell Voltage Detection Voltage Out of Range (P1A001C,P301A1C)
- Hybrid/EV Battery Stack 2 Cell Circuit Voltage Above Threshold (P1A6017,P31AA17)
- Hybrid/EV Battery Stack 2 Cell Circuit Voltage Below Threshold (P1A6116,P31AB16)
- Hybrid/EV Battery Stack 1 Delta SOC High (P1A8000,P1A8500)
- Hybrid/EV Battery Stack 1 Delta SOC High (Extreme) (P1A8100,P1A8600)
- System Voltage (AM) Circuit Voltage Below Threshold (P1AFC00)
- Flying Capacitor Circuit Voltage Out of Range (P1AFD00)
- Hybrid/EV Battery ECU Multiple Reset (P1AFF00)
- Hybrid/EV Battery Current Sensor for Driving Control Circuit Short to Ground (P1C9F11,P1C9F15)
- Hybrid/EV Battery Current Sensor for Driving Control Voltage Out of Range (P1C9F1C)
- Hybrid/EV Battery Stack 1 Voltage Difference Out of Range (P1CC81E,P1CC91E)
- Hybrid/EV Battery Discharge Control Malfunction (P300000)
- Hybrid/EV Battery Control System Circuit Voltage Below Threshold (P300016)
- Hybrid/EV Battery Control System Over Temperature (P30004B)
- Hybrid/EV Battery Voltage High (P31B300)
- Extreme Hybrid/EV Battery Charging Current (P31B400)
- Hybrid/EV Battery Internal Electronic Failure (P31B549)
- Hybrid/EV Battery Stack 1 Circuit Resistance Out of Range (P33DA1E,P33DB1E)
- Hybrid/EV Battery Stack 1 Circuit Resistance Above Threshold (P33E01B,P33E11B)
- Hybrid/EV Battery Stack 1 Capacity Decline (P33E600,P33E700)
- (Extreme) Hybrid/EV Battery Stack 1 Cell Circuit Voltage Below Threshold (P33EC16,P33ED16)
- Lost Communication with Hybrid/EV Powertrain Control Module Missing Message (U029387)
- Lost Communication with Hybrid Powertrain Control Module (Hybrid/EV Battery Local Bus) Missing Message (U115087)
- "HAVE TRACTION BATTERY INSPECTED" is displayed
- ECU Power Source Circuit
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Precaution
PRECAUTION PRECAUTIONS FOR INSPECTING HYBRID SYSTEM
CAUTION:
Before the following operations are conducted, take precautions to prevent electric shock by turning the ignition switch off, wear
Definition Of Terms
DEFINITION OF TERMS
Term Definition
Monitor Description Description of what the battery ECU assembly monitors and how to detects malfunctions (monitoring purpose and its details).
Parts Location
PARTS LOCATION ILLUSTRATION
*1 INVERTER WATER PUMP ASSEMBLY
*2 INVERTER WITH CONVERTER ASSEMBLY
*3 ECM
*4 COMPRESSOR WITH MOTOR ASSEMBLY
*5 HYBRI
SEE MORE:
Electronic Brake Booster Motor "A" Drive Circuit Internal Electronic Failure
(C12BF49,...,C12BF9E)
DESCRIPTION
The motor relay is built into the brake booster with master
cylinder assembly.
The electric brake booster (brake booster with master cylinder
assembly) turns the motor relay on to operate the motor in the brake booster with
master cylinder assembly in accordance with the operatio
VC Output Circuit
DESCRIPTION The ECM constantly generates a 5 V power source voltage from the auxiliary battery voltage supplied to the +B, +B2 (BATT) terminals to operate the microprocessor. The ECM also provides this power to the sensors through the VC output circuit.
When the VC circuit has a short circuit, th
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