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
SEE MORE:
Interior Light Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) controls the map light assembly and spot light assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Recognition code registration is necessary when replacing the main body ECU (multiplex network body ECU).
If the main body ECU (mul
Throttle / Pedal Position Sensor "A" Minimum Stop Performance (P2109)
DESCRIPTION The idle speed is controlled by the Electronic Throttle Control System (ETCS). The ETCS is comprised of a throttle actuator, which operates the throttle valve, and a throttle position sensor, which detects the opening amount of the throttle valve. The ECM controls the throttle actuator t
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