Lexus NX: 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 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 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 Telematics System DTC No. Detection Item Link U014087 Lost Communication with Body Control Module Missing Message U015587 Lost Communication with
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WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
When replacing the radio receiver assembly or navigation ECU, always replace it with a new one.
If a radio receiver assembly or navigation ECU which w
REMOVAL PROCEDURE 1. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE (a) Remove the engine oil level dipstick. (b) Remove the bolt and engine oil level dipstick guide. (c) Remove the O-ring from the engine oil level dipstick guide. 2. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY (a) Remove the b
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