Lexus ES: Lin Communication System (for Hv Model)
Lexus ES (XZ10) Service Manual / Power Source & Network / Networking / Lin Communication System (for Hv 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
- Diagnosis System
- Dtc Check / Clear
- 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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Parking Support Brake function
(static objects)
If the sensors detect a static object, such as a wall, in the traveling
direction of
the vehicle and the system determines that a collision may occur due to the
vehicle suddenly moving forward due to an accidental accelerator pedal
operation,
the vehicle moving the unintended direction due to
Radiator Coolant Temperature Sensor Circuit Short to Battery or Open (P00B115)
DESCRIPTION Refer to DTC P00B111. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P00B115 Radiator Coolant Temperature Sensor Circuit Short to Battery or Open The No. 2 engine coolant temperature sensor output voltage is higher than 4.9
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