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
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Switch Failure (B2342)
DESCRIPTION This DTC is stored when the sliding roof ECU (sliding roof drive gear sub-assembly) detects that the sliding roof switch (map light sub-assembly) is stuck for 30 seconds or more. DTC No. Detection Item DTC Detection Condition Trouble Area B2342 Switch Failure Sliding roo
Power Steering ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Power Steering ECU Communication Stop Mode Any of the following conditions are met:
Communication stop for "Power Steering (EPS)" is indicated on the "Communication Bus Check" screen of the Techstream.
Click here
Communication sto
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