Lexus ES: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
LIN Communication System
DTC No. | Detection Item | Link |
B1206 | P/W Master Switch Communication Stop | |
B1273 | Sliding Roof ECU Communication Stop | |
B2321 | D-Door Motor ECU Communication Stop | |
B2322 | P-Door Motor ECU Communication Stop | |
B2323 | RR-Door Motor ECU Communication Stop | |
B2324 | RL-Door Motor ECU Communication Stop | |
B2325 | LIN Communication Bus Malfunction | |
B2785 | Communication Malfunction between ECUs Connected by LIN | |
B2786 | No Response from Steering Lock ECU | |
B2789 | No Response from ID BOX | |
B278C | Lost Communication with Power Source Control | |
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DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. Th
DIAGNOSIS SYSTEM DESCRIPTION The main body ECU (multiplex network body ECU) and certification ECU (smart key ECU assembly) control the LIN communication system. LIN communication system data and Diagn
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Main Body or Smart A
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INSTALLATION PROCEDURE 1. INSTALL REAR ENGINE MOUNTING INSULATOR (a) Engage the clamp and install the vacuum hose to the rear engine mounting insulator. (b) Install the wire harness clamp bracket to the rear engine mounting insulator with the bolt. Torque: 10 N·m {102 kgf·cm, 7 ft·lbf} (c) Al
SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Main Body ECU (Multiplex Network Body ECU) Outer Mirror Control ECU Assembly
IG signal
ACC signal
Outer mirror switch assembly signal
Mirror position request signal (memory and reactivation function)
Mirror
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