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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Transmitter Battery
ReplacementREPLACEMENT PROCEDURE 1. REMOVE TRANSMITTER BATTERY (a) Push the release hook knob and extract the mechanical key. (b) Using a screwdriver with its tip wrapped in protective tape, remove the transmitter housing cover as shown in the illustration. HINT: Tape the screwdri
Components
COMPONENTS ILLUSTRATION *1 DECK BOARD ASSEMBLY *2 NO. 2 DECK BOARD SUB-ASSEMBLY *3 NO. 3 DECK BOARD SUB-ASSEMBLY *4 TONNEAU COVER ASSEMBLY ILLUSTRATION *1 DECK FLOOR BOX LH *2 DECK FLOOR BOX RH *3 NO. 1 TOOL BOX SUB-ASSEMBLY *4 NO. 2 TOOL BOX SUB-ASSEMBLY
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