Lexus RX (RX 350L, RX450h) 2016-2025 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) 2016-2025 Repair Manual > Lighting System (w/o Automatic Headlight Beam Level Control System): Taillight Relay Circuit
    DESCRIPTION The main body ECU (multiplex network body ECU) controls the operation of the TAIL relay. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. Before replacing the main body ECU (multiplex net ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Vacuum Switching Valve (for Acis): Removal
    REMOVAL PROCEDURE 1. REMOVE V-BANK COVER SUB-ASSEMBLY Click here 2. REMOVE NO. 1 VACUUM SWITCHING VALVE ASSEMBLY (for ACIS) (a) Disconnect the No. 1 vacuum switching valve assembly (for ACIS) connector. (b) Disconnect the 2 vacuum hose assemblies from the No. 1 vacuum switching v ...

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

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

    © 2025 Copyright www.lexusrx.net
    0.0144