Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Terminals Of Ecu
TERMINALS OF ECU
HINT:
Check from the rear of the connector while it is connected to the components.
DCM (TELEMATICS TRANSCEIVER)
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| J157-1 (+B) - J157-20 (E) | Y - W-B | Power source (+B) | Always | 11 to 14 V |
| J157-20 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| J157-19 (IG2) - J157-20 (E) | B - W-B | Power source (IG) | Engine switch on (IG) | 11 to 14 V |
| Engine switch off | Below 1 V | |||
| J157-25 (CANP) | R | CAN communication signal | - | - |
| J157-26 (CANN) | W | CAN communication signal | - | - |
| J157-30 (SLPD) - J157-20 (E) | B - 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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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of ...
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Telematics / Troubl ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Dynamic Radar Cruise Control System: Fail-safe Chart
FAIL-SAFE CHART Automatic Cancel Control (a) When the vehicle is being driven in constant speed control mode and any of the following malfunctions occur, control of vehicle speed by the dynamic cruise control system is canceled. Auto Cancel Condition Multi-information Display Master Warning L ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Navigation System: Microphone Circuit
DESCRIPTION
The radio receiver assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines.
Using this circuit, the DCM (telematics transceiver) sends power to the telephone microphone assembly, and the telephone microphone assem ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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