Lexus ES: Diagnostic Trouble Code Chart
Lexus ES (XZ10) Service Manual / Power Source & Network / Networking / Lin Communication System (for Gasoline Model) / 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 / 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
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Main Body or Smart
Diagnosis System
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
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Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Back Door / Trouble Codes. Body Electrical > Back Door > Trouble Codes (e) Check for DTCs. Click here CLEAR DTC
Engine compartment
Components
Fuse boxes
Engine oil filler cap
Engine oil level dipstick
Brake fluid reservoir
Radiator
Electric cooling fan
Condenser
Power control unit coolant reservoir
Engine coolant reservoir
Washer fluid tank
Checking and adding the engine
oil
With the engine at op
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