Lexus ES: Lin Communication System (for Gasoline Model)
Lexus ES (XZ10) Service Manual / Power Source & Network / Networking / Lin Communication System (for Gasoline Model)
- Lost Communication with Power Source Control (B278C)
- No Response from ID BOX (B2789)
- No Response from Steering Lock ECU (B2786)
- Communication Malfunction between ECUs Connected by LIN (B2785)
- LIN Communication Bus Malfunction (B2325)
- P/W Master Switch Communication Stop (B1206,B1273,B2321-B2324)
- Diagnostic Trouble Code Chart
- Data List / Active Test
- Dtc Check / Clear
- Diagnosis System
- Terminals Of Ecu
- How To Proceed With Troubleshooting
- System Description
- System Diagram
- Parts Location
- Precaution
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Lost Communication with Power Source Control (B278C)
DESCRIPTION When an internal malfunction is detected in the certification ECU (smart key ECU assembly), this DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area B27
No Response from ID BOX (B2789)
DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and ID code box (immobiliser code ECU) stops for 10 seconds or more. DTC No. Detection
No Response from Steering Lock ECU (B2786)
DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and steering lock ECU (steering lock actuator or upper bracket assembly) stops for 10 secon
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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
Terminals Of Ecu
TERMINALS OF ECU NOTICE:
After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proce
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