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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Adjustment
ADJUSTMENT PROCEDURE 1. INSPECT SHIFT LEVER POSITION (a) While moving the shift lever from N to each position, check that the lever moves smoothly and that the shift position indicator comes on properly according to the shift lever position. (b) Put the vehicle into the READY-on state and check the
Rear Power Window RH Auto Up / Down Function does not Operate with Rear Power Window Switch RH
DESCRIPTION If the manual up and down function operates normally but the auto up and down function does not, then fail-safe mode may be functioning. If power window initialization has not been performed, the auto up and down function will not operate. Click here WIRING DIAGRAM CAUTION / NOTICE /
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