Lexus NX: Terminals Of Ecu
Lexus NX Service Manual / Audio & Visual & Telematics / Telematics / Telematics System / Terminals Of Ecu
TERMINALS OF ECU
DCM (TELEMATICS TRANSCEIVER)
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| I183-1 (+B) - I183-20 (E) | Y - W-B | Power source (+B) | Power switch off | 11 to 14 V |
| I183-20 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| I183-19 (IG2) - I183-20 (E) | R - W-B | Power source (IG) | Power switch on (IG) | 11 to 14 V |
| Power switch off | Below 1 V | |||
| I183-25 (CANP) | Y | CAN communication signal | - | - |
| I183-26 (CANN) | W | CAN communication signal | - | - |
| I183-30 (SLPD) - I183-20 (E) | L - W-B | Steering lock bar position signal | Steering locked | 11 to 14 V |
| Steering unlocked | Below 1.5 V |
CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
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Dtc Check / Clear
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 / Telematics / Trouble
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
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Telematics System DTC No. Detection Item Link U014087 Lost Communication with Body Control Module Missing Message U015587 Lost Communication with
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Engine Hood Courtesy Switch
ComponentsCOMPONENTS ILLUSTRATION *1 HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH) *2 RADIATOR SUPPORT OPENING COVER N*m (kgf*cm, ft.*lbf) : Specified torque MP grease RemovalREMOVAL PROCEDURE 1. REMOVE RADIATOR SUPPORT OPENING COVER Click here 2. REMOVE HOOD LOCK AS
Operation Check
OPERATION CHECK CHECK WINDOW LOCK FUNCTION (a) Turn the power switch on (IG). (b) Press the window lock switch of the multiplex network master switch assembly. HINT: The illumination (LED) built into the switch knob of each seat does not turn off. (c) Check that the power window for each seat excep
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