Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Terminals Of Ecm

TERMINALS OF ECM

CHECK ECM

HINT:

The standard normal voltage between each pair of ECM terminals is shown in the table below. The appropriate conditions for checking each pair of terminals are also indicated. The result of checks should be compared with the standard normal voltage for that pair of terminals, displayed in the Specified Condition column. The illustration above can be used as a reference to identify the ECM terminal locations.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

D2-53 (E1) - Body ground

BR - Body ground

Ground

Always

Below 1 Ω

A37-1 (BATT) - D2-53 (E1)

G - BR

Battery (for measuring battery voltage and for ECM memory)

Always

11 to 14 V

D2-135 (LIN) - Body ground

B - Body ground

LIN communication line

Engine switch off

(while LIN communication stopped)

10 kΩ or higher

    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 ...

    Diagnosis System
    DIAGNOSIS SYSTEM DLC3 (Data Link Connector 3) (a) Check the DLC3. Click here BATTERY VOLTAGE Standard Voltage: 11 to 14 V If the voltage is below 11 V, replace or recharge the battery. ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Occupant Classification System: Parts Location
    PARTS LOCATION ILLUSTRATION *1 ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY - ECU-IG1 NO. 8 FUSE - - ILLUSTRATION *1 AIRBAG SENSOR ASSEMBLY *2 OCCUPANT DETECTION ECU *3 - PASSENGER SIDE BUCKLE SWITCH FRONT SEAT INNER BELT ASSEMBLY RH *4 RADIO RECEIVER ASSEMBLY ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Can Communication System: Certification ECU Communication Stop Mode
    DESCRIPTION Detection Item Symptom Trouble Area Certification ECU Communication Stop Mode Either condition is met: "Certification (Smart)" is not displayed on the CAN Bus Check screen of the Techstream. Click here Communication system DTCs (DTCs that start with U) that corresp ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2026 Copyright www.lexusrx.net
    0.0133