Lexus ES: Diagnostic Trouble Code Chart
Lexus ES (XZ10) Service Manual / Power Source & Network / Networking / Can Communication System (for Hv Model) / Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Diagnostic Trouble Code Chart| DTC No. | Detection Item | Trouble Area | Link |
|---|---|---|---|
| B1003 | ECU Malfunction | Central gateway ECU (network gateway ECU) | |
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Data List / Active Test
DATA LIST / ACTIVE TEST 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 faul
Fail-safe Chart
FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) When communication fails in any of the CAN bus lines (communication lines), a fail-safe function(s) will operate. The fail-safe function that is specified for ea
Dtc Check / Clear
DTC CHECK / CLEAR CHECK FOR 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 / Central Gateway
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Inspection
INSPECTION PROCEDURE 1. INSPECT HEATED OXYGEN SENSOR (for Bank 1) (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 (HT1B) - 2 (+B) 20°C (68°F) 5 to 10 Ω 1 (HT1B) - 4 (E2) Always
Components
COMPONENTS ILLUSTRATION *A for EGR Valve Bracket Connection Type *B for Cylinder Head Cover Sub-assembly Connection Type *1 FUEL PUMP ASSEMBLY *2 NO. 1 FUEL PIPE SUB-ASSEMBLY *3 FUEL TUBE SUB-ASSEMBLY *4 FUEL PUMP LIFTER ASSEMBLY *5 FUEL PUMP FLANGE *6 FUEL PU
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