Lexus ES: Hybrid Control System (for Nickel Metal Hydride Battery)
Lexus ES (XZ10) Service Manual / Engine & Hybrid System / Hybrid / Battery Control / Hybrid Control System (for Nickel Metal Hydride Battery)
- Precaution
- Definition Of Terms
- Parts Location
- System Diagram
- How To Proceed With Troubleshooting
- Utility
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Freeze Frame Data
- Vehicle Behavior Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Vehicle Control History
- Vehicle Control History
- System Voltage (BATT) Circuit Short to Ground or Open (P056014)
- Hybrid/EV Powertrain Control Module Processor Watchdog / Safety MCU Failure (P060647,...,P1CE371)
- Hybrid/EV Powertrain Control Module Processor Unexpected Operation (P060694)
- Hybrid/EV Powertrain Control Module Monitoring Processor Unexpected Operation (P060A94)
- Hybrid/EV Powertrain Control Module EEPROM Data Memory Failure (P062F44)
- Hybrid/EV Powertrain Control Module EEPROM Calibration / Parameter Memory Failure (P062F46)
- ECM/PCM Power Relay Sense Circuit Intermittent (P06881F)
- Transmission Range Sensor "A" Circuit (PRNDL Input) Signal Compare Failure (P070562)
- High Voltage System Interlock Circuit Open (P0A0A13,P0A0A92)
- Drive Motor "A" Control Module Internal Electronic Failure (P0A1B49)
- Drive Motor "A" Control Module Unexpected Operation (P0A1B94)
- Drive Motor "A" Temperature Sensor Circuit Short to Ground (P0A2A11,P0A2A15)
- Drive Motor "A" Temperature Sensor Voltage Out of Range (P0A2A1C,P0A2A1F)
- Generator Temperature Sensor Circuit Short to Ground (P0A3611,P0A3615)
- Generator Temperature Sensor Voltage Out of Range (P0A361C,P0A361F)
- Hybrid/EV Battery Cooling Fan 1 Control Circuit High (P0A8100,P0A8115)
- Hybrid/EV Battery Cooling Fan 1 Circuit Short to Ground (P0A8111,P0A814B)
- Hybrid/EV Battery Cooling Fan 1 Component Internal Failure (P0A8196,P0A8198)
- Inverter "A" Cooling System Performance (P0A9300)
- High Voltage Fuse Accumulated Load History (P0A9563)
- Hybrid/EV Battery Temperature Sensor "A" Circuit Short to Ground (P0A9B11,P0A9B15,P0AC511,P0AC515,P0ACA11,P0ACA15)
- Hybrid/EV Battery Temperature Sensor "A" Voltage Out of Range (P0A9B1C,P0AC51C,P0ACA1C)
- Hybrid/EV Battery Temperature Sensor "A" Signal Stuck In Range (P0A9B2A,P0AC52A,P0ACA2A,P306562)
- Hybrid/EV Battery Positive Contactor Circuit Stuck Closed (P0AA000)
- Hybrid/EV Battery Positive and Negative Contactor Actuator Stuck Closed (P0AA073)
- Hybrid/EV Battery Negative Contactor Actuator Stuck Closed (P0AA373)
- Hybrid/EV Battery Voltage System Isolation Internal Electronic Failure (P0AA649,P1C7C49-P1C7F49)
- Hybrid/EV Battery Voltage Isolation Sensor Circuit Internal Electronic Failure (P0AA749)
- Hybrid/EV Battery Air Temperature Sensor "A" Circuit Short to Ground (P0AAC11,P0AAC15)
- Hybrid/EV Battery Current Sensor "A" Circuit Range/Performance (P0ABF00)
- Hybrid/EV Battery Current Sensor "A" Circuit Short to Ground (P0ABF11,P0ABF15,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 Positive Contactor Circuit Short to Ground (P0AD911)
- Hybrid/EV Battery Positive Contactor Circuit Short to Auxiliary Battery or Open (P0AD915)
- Hybrid/EV Battery Negative Contactor Circuit Short to Ground (P0ADD11)
- Hybrid/EV Battery Negative Contactor Circuit Short to Auxiliary Battery or Open (P0ADD15)
- Hybrid/EV Battery Precharge Contactor Actuator Stuck Closed (P0AE173)
- Hybrid/EV Battery Precharge Contactor Circuit Short to Ground (P0AE411)
- Hybrid/EV Battery Precharge Contactor Circuit Short to Auxiliary Battery or Open (P0AE415)
- Hybrid/EV Battery Sensor Module (P0AFC00,P0AFC16,P0AFC96,P308A12)
- Hybrid/EV Battery Sensor Module Internal Electronic Failure (P0AFC49)
- Hybrid/EV Battery Sensor Module Signal Compare Failure (P0AFC62,...,P308A13)
- Hybrid/EV Battery "A" Voltage Sensor Voltage Out of Range (P0B231C)
- Hybrid/EV Battery State of Charge High (P0C3000)
- Motor Electronics Coolant Pump "A" Component Internal Failure (P0C7396)
- Hybrid/EV Battery System Discharge Time Too Long (P0C7600)
- Drive Motor "A" Inverter Voltage Sensor Voltage Out of Range (P0D2D1C)
- Boosting Converter Voltage Sensor "A" Voltage Out of Range (P0E311C)
- Collision detected or Collision Sensor Connection (Open) (P160600,P160604)
- Hybrid/EV Battery Stack 1 Delta SOC High (P1A8000,P1AD01B)
- Hybrid/EV Battery Cell Low Voltage (P1AC000)
- Hybrid/EV Battery "A" Voltage Sensor/Boosting Converter Voltage Sensor "A" Signal Compare Failure (P1C2D62)
- Motor Shutdown Stuck Off (P1C6A9F)
- Generator Shutdown Stuck Off (P1C6C9F)
- Engine Failed to Start Mechanical Linkage Failure (P1C7779)
- High Voltage Power Resource Circuit Consumption Circuit Short (P1C8149,P1C8249)
- High Voltage Power Resource Circuit Voltage Sensor after Boosting Malfunction (P1C8349)
- High Voltage Power Resource Circuit Short during Ready ON (P1C8449)
- High Voltage Power Resource Internal Electronic Failure (P1C8549)
- Transmission (Input) Mechanical Linkage Failure (P1C8679)
- Generator Mechanical Linkage Failure (P1C8779,P1C8879)
- 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 Block 1 Voltage Difference Out of Range (P1CBE1E,...,P1CFD1E)
- PCU Interlock Circuit Open (P1CE213,P1CE292)
- IGB Signal Circuit Short to Auxiliary Battery (P1CFA12)
- Throttle/Pedal Position Sensor/Switch "D" Circuit Short to Auxiliary Battery (P212012,...,P21382B)
- IG2 Signal Circuit Short to Auxiliary Battery (P253012)
- Transmission Fluid Temperature Sensor "C" Circuit Short to Ground (P274A11,P274A15)
- Transmission Fluid Temperature Sensor "C" Voltage Out of Range (P274A1C,P274A1F)
- Hybrid/EV Battery Discharge Control Malfunction (P300000)
- Hybrid/EV Battery Control System Over Temperature (P30004B)
- Hybrid/EV Battery Control System Circuit Voltage Below Threshold (P300016)
- High Voltage Power Resource Circuit Short during Pre-Charge (P300449)
- Hybrid/EV Battery Block 1 Circuit Resistance Out of Range (Extreme) (P301100,...,P30211E)
- Lost Communication with Airbag System Control Module Circuit Short to Ground (P310711)
- Lost Communication with Airbag System Control Module Circuit Short to Auxiliary Battery or Open (P310715)
- Lost Communication with Airbag System Control Module Signal Plausibility Failure (P310764)
- Lost Communication with Drive Motor Control Module "A" from Hybrid/EV Control Module Missing Message (P312387)
- Transmission (Shaft) Mechanical Linkage Failure (P314779)
- Motor Electronics Coolant Pump "A" No Signal (P314A31)
- Motor/Generator Shutdown Signal Stuck Off (P321E9F)
- Motor/Generator Shutdown Signal (Hybrid/EV Side) Stuck Off (P33B99F)
- Motor/Generator Shutdown Signal (MG Side) Stuck Off (P33BF9F)
- Lost Communication with Hybrid/EV Battery Sensor Module Missing Message (U029A87)
- Lost Communication with ECM/PCM "A" Missing Message (U010087,...,U117087)
- HVAC Control Module to Hybrid Powertrain Control Module Invalid Serial Data Received (U042481)
- Brake Override System
- Transmission Control Switch Circuit
- Shift Paddle Switch Circuit
- Pattern Select Switch EV Mode Circuit
- Pattern Select Switch Sport Mode Circuit
- Pattern Select Switch Eco Mode Circuit
- Indicator Circuit
- Drive Start Control
- ECU Power Source Circuit
- Motor Resolver Circuit
- Motor High-voltage Circuit
- Generator Resolver Circuit
- Generator High-voltage Circuit
- Shut Down Signal Circuit
- Inverter Low-voltage Circuit
- HV Battery High-voltage Line Circuit
- Cooling System
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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 hybrid vehicle 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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Reassembly
REASSEMBLY CAUTION / NOTICE / HINT NOTICE:
When using a vise, place aluminum plates between the part and vise.
When using a vise, do not overtighten it.
HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. INSTALL OUTBOARD
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or states of
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