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
Diagnosis SystemLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Radio Receiver: Installation
INSTALLATION PROCEDURE 1. INSTALL RADIO RECEIVER ASSEMBLY 2. INSTALL NAVIGATION ECU (w/ Navigation ECU) 3. INSTALL NO. 2 RADIO BRACKET (a) w/o Navigation ECU: (1) Install the No. 2 radio bracket with the 3 screws. (b) w/ Navigation ECU: (1) Install the No. 2 radio bracket with the 5 screws. (c) Enga ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Rear Center Seat Outer Belt Assembly(w/o Rear No. 2 Seat): On-vehicle Inspection
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: Be sure to correctly follow the removal and installation procedures for the rear center seat outer belt assembly. PROCEDURE 1. INSPECT REAR CENTER SEAT OUTER BELT ASSEMBLY (for Vehicle not Involved in Collision) (a) Visually check for defects wi ...