Lexus ES: Lighting System (for Hv Model)
- Precaution
- Parts Location
- System Diagram
- How To Proceed With Troubleshooting
- Operation Check
- Customize Parameters
- Initialization
- Problem Symptoms Table
- Terminals Of Ecu
- Dtc Check / Clear
- Freeze Frame Data
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Vehicle Control History
- Light Sensor Circuit (B1244)
- Automatic High Beam System (B124B)
- Automatic High Beam Camera (B124C)
- Headlight Swivel ECU LH Communication (B2410,B2411)
- Headlight Swivel Motor LH (B2412,B2413,B2417,B2418)
- Steering Position Sensor (B2414)
- Vehicle Speed Sensor (B2415)
- Rear Height Control Sensor (B241A)
- Headlight Beam Level Control Motor LH Lost Communication (B2424,B2425)
- Right Headlight ECU Malfunction (B242C,B242D)
- Open in IG Circuit (B242E)
- Open in B Power Line (B242F)
- Headlight LH Circuit (B2439,B243A)
- Left Low Beam Fan Malfunction (B243D,B243E)
- Height Sensor Initialization Incomplete (B2450)
- Variation Code not Written (B2451)
- Abnormal Height Sensor Data at Initialization (B2452)
- Left Headlight ECU Variation Error (B2456)
- Control Module Communication Bus Off (U0073,U0101,U0126,U0129,U0142,U0155,U0242,U0293)
- Control Module Communication Bus OFF (U0073,U0126,U0142,U0182)
- Lost Communication With ECM/PCM "A" (U0100,...,U1117)
- Lost Communication with Multi-axis Acceleration Sensor Module Missing Message (U012587,U012987,U014087,U029387)
- Lost Communication with Cruise Control Front Distance Range Sensor Signal Sensor or Center Missing Message (U023587)
- CAN Communication Failure (Message Registry) (U1000)
- Turn Signal Switch Circuit
- Automatic High Beam Switch Indicator does not Come ON
- Automatic High Beam System does not Operate or Operation Indicator does not Illuminate
- Headlight Dimmer Switch Circuit
- Headlight Dimmer Switch Circuit
- Parking Light/Daytime Running Light Circuit
- Hazard Warning Switch Circuit
- Back-up Light Circuit
- Back-up Light Circuit
- Outside Handle Foot Light Circuit
- Front Side Marker Light Circuit
- Taillight Relay Circuit
- Cornering Light Circuit
- High Beam Headlight Circuit
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Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following s
Parts Location
PARTS LOCATION ILLUSTRATION *1 SIDE TURN SIGNAL LIGHT ASSEMBLY LH *2 SIDE TURN SIGNAL LIGHT ASSEMBLY RH *3 HEADLIGHT ASSEMBLY LH - HEADLIGHT ECU SUB-ASSEMBLY LH - HEADLIGHT UNIT ASSEMB
System Diagram
SYSTEM DIAGRAM HEADLIGHT ASSEMBLY CIRCUIT (for LED Type Turn Signal Light) HEADLIGHT ASSEMBLY CIRCUIT (for Bulb Type Turn Signal Light) (for TMC Made) HEADLIGHT ASSEMBLY CIRCUIT (for Bulb
SEE MORE:
Hybrid/EV Battery Voltage High (P31B300)
DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU uses the inverter voltage to monitor the HV battery voltage and detect malfunctions. The cause of this malfunction may be the following: Inverter with converter assembly malfunction (Boost converter system)
VL sensor malfunction
Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System (for Gasoline Model)
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