Lexus ES: Motor Generator Control System (for Nickel Metal Hydride Battery)
Lexus ES (XZ10) Service Manual / Engine & Hybrid System / Hybrid / Battery Control / Motor Generator Control System (for Nickel Metal Hydride Battery)
- Precaution
- Definition Of Terms
- Parts Location
- System Diagram
- 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
- Crankshaft Position Sensor "A" (P033500,P033531)
- Camshaft Position Sensor "A" Circuit Bank 1 or Single Sensor (P034000,P034031)
- Internal Control Module EEPROM Data Memory Failure (P062F44)
- Generator Control Module(EEPROM Learning Value) Calibration / Parameter Memory Failure (P062F46)
- Generator Control Module Position Sensor REF Power Source Circuit Voltage Out of Range (P06B01C,...,P313487)
- Motor Electronics Coolant Temperature Sensor Circuit Short to Ground (P0A0011,P0A0015)
- Motor Electronics Coolant Temperature Sensor Circuit Voltage Out of Range (P0A001C)
- DC/DC Converter Status Circuit Short to Battery (P0A0812,P0A0814)
- Generator Control Module Circuit Intermittent (P0A1B1F)
- DC/DC Converter Enable Circuit Short to Battery (P0A1112,P0A1114)
- Drive Motor "A" Position Sensor Circuit Voltage Below Threshold (P0A3F16,P0A3F1F)
- Drive Motor "A" Position Sensor Signal Amplitude < (P0A3F21,P0A3F22)
- Generator Position Sensor Circuit Voltage Below Threshold (P0A4B16,P0A4B1F)
- Generator Position Sensor Signal Amplitude < (P0A4B21,P0A4B22)
- Drive Motor "A" Phase V Current(High Resolution) Circuit Short to Battery (P0A6012,...,P0A631F)
- Drive Motor "A" Inverter Actuator Stuck Open (P0A7872)
- Drive Motor "A" Inverter Stuck On (P0A789E,P1C5D19)
- Drive Motor "A" Inverter Actuator Stuck Closed (P0A7873)
- Generator Inverter Actuator Stuck Open (P0A7A72)
- Generator Inverter Actuator Stuck Closed (P0A7A73)
- Generator Inverter Stuck On (P0A7A9E,P1C5F19)
- Drive Motor "A" Performance (P0A9000)
- Hybrid Generator Performance (P0A9200)
- DC/DC Converter Stuck On (P0A949E,P0D3319)
- Drive Motor Inverter Temperature Sensor "A" Circuit Short to Ground (P0AED11,P0AED15)
- Drive Motor Inverter Temperature Sensor "A" Circuit Voltage Out of Range (P0AED1C)
- Drive Motor "A" Phase U Current Sensor Circuit Short to Battery (P0BE512,...,P0BED1F)
- Drive Motor "A" Phase U Current Sensor Signal Bias Level Out of Range / Zero Adjustment Failure (P0BE528,...,P0BED28)
- Drive Motor "A" Phase U-V-W Current Sensor Signal Compare Failure (P0BFD62,P1C671F)
- Drive Motor "A" Circuit Current Out of Range (P0BFF1D)
- Drive Motor "A" Execution Torque Performance (P0C1900)
- DC/DC Converter Temperature Sensor "A" Circuit Short to Ground (P0C3811,P0C3815,P0C3D11,P0C3D15)
- DC/DC Converter Temperature Sensor "A" Circuit Voltage Out of Range (P0C381C)
- DC/DC Converter Temperature Sensor "B" Circuit Voltage Out of Range (P0C3D1C)
- Drive Motor "A" Position Sensor Circuit "A" Circuit Open (P0C5013,P0C501F,P0C5A13,P0C5A1F)
- Drive Motor "A" Position Sensor Circuit "A" Circuit Voltage Below Threshold (P0C5016,...,P0C5A17)
- Generator Position Sensor Circuit "A" Circuit Open (P0C6413,P0C641F,P0C6913,P0C691F)
- Generator Position Sensor Circuit "A" Circuit Voltage Below Threshold (P0C6416,P0C6417,P0C6916,P0C6917)
- Drive Motor "A" Inverter Voltage Sensor(VH) Circuit Voltage Above Threshold (P0C7917)
- DC/DC Converter Step Up Voltage Performance (P0CA300)
- Drive Motor "A" Inverter Voltage Sensor(VH) Circuit Voltage Below Threshold (P0D2D16,P0D2D17,P0D2D1F)
- Generator Phase U-V-W Current Sensor Signal Compare Failure (P0DFA62,P1C691F)
- Generator Phase U Current Sensor Circuit Short to Battery (P0E0012,...,P0E081F)
- Generator Phase U Current Sensor Signal Bias Level Out of Range / Zero Adjustment Failure (P0E0028,...,P0E0828)
- DC/DC Converter Voltage Sensor "A"(VL) Circuit Voltage Below Threshold (P0E3116,P0E3117,P0E311F)
- DC/DC Converter Current Sensor Circuit Short to Ground (P0E5111,P0E5115,P0E511F)
- DC/DC Converter Current Sensor Signal Bias Level Out of Range / Zero Adjustment Failure (P0E5128)
- DC/DC Converter Current Sensor Signal Stuck In Range (P0E512A)
- DC/DC Converter Current Sensor Signal Stuck In Range (P0E512A)
- DC/DC Converter Voltage Sensor "A"(VL) Circuit Voltage Above Threshold (P0E5717)
- DC/DC Converter Temperature Sensor 2 Circuit Short to Ground (P0E5811,P0E5815)
- DC/DC Converter Temperature Sensor 2 Circuit Voltage Out of Range (P0E581C)
- Generator Execution Torque Performance (P0E7100)
- Motor Generator ECU(EEPROM) Calibration / Parameter Memory Failure (P1C2E46)
- Hybrid Generator Circuit Current Out of Range (P1CA51D)
- Generator Position Sensor Internal Electronic Failure (P1CAC49,P1C641F,P1CAF38)
- Drive Motor "A" Position Sensor Internal Electronic Failure (P1CAD49,P1C651F,P1CB038)
- DC/DC Converter Voltage Sensor "A"(VL) Stuck On (P1CB59E)
- Drive Motor "A" Inverter Voltage Sensor(VH) Stuck On (P1CB69E)
- DC/DC Converter Enable Component Internal Failure (P1CCC96)
- Hybrid/EV Battery Current/DC/DC Converter Current Signal Compare Failure (P1CFF62)
- Lost Communication between Drive Motor "A" and HV ECU Circuit Intermittent (P31241F,P312487)
- DC/DC Converter Voltage Sensor "A"(VL) Circuit Intermittent (P314F1F)
- DC/DC Converter Current Sensor Circuit Current Out of Range (P31531D)
- Lost Communication With ECM/PCM "A" Missing Message (U010087,U029387,U117087)
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Precaution
PRECAUTION PRECAUTIONS FOR INSPECTING HYBRID CONTROL SYSTEM (a) Before the following operations are conducted, take precautions to prevent electric shock by turning the power switch off, wearing insul
Definition Of Terms
DEFINITION OF TERMS Term Definition Monitor Description Description of what the motor generator control ECU monitors and how to detects malfunctions (monitoring purpose and its details).
Parts Location
PARTS LOCATION ILLUSTRATION *1 ACCELERATOR PEDAL SENSOR ASSEMBLY *2 COMBINATION METER ASSEMBLY *3 AIR CONDITIONING AMPLIFIER ASSEMBLY *4 SHIFT PADDLE SWITCH (TRANSMISSION SHIFT SWI
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Inspection
INSPECTION PROCEDURE 1. INSPECT REAR LIGHT ASSEMBLY LH *a Component without harness connected (Rear Light Assembly LH) (a) Apply auxiliary battery voltage to the rear light assembly LH and check that the lights illuminate. OK: Measurement Condition Specified Condition Auxiliary ba
Headlight ECU RH Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Headlight ECU RH Communication Stop Mode Any of the following conditions are met:
Communication stop for "HL AutoLeveling/AFS/AHS (Sub)" is indicated on the "Communication Bus Check" screen of the Techstream.
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Communicat
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