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 > Electric Parking Brake System: Electric Parking Brake System AUTO Function Circuit
DESCRIPTION The skid control ECU (brake actuator assembly) receives shift position signals from the ECM via CAN communication to control the electric parking brake system AUTO function (IG-OFF linked function). The electric parking brake system AUTO function (IG-OFF linked function) is automatically ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Roof Headlining (w/o Rear No. 2 Seat): Reassembly
REASSEMBLY PROCEDURE 1. INSTALL NO. 2 ROOF SILENCER PAD (for TMC Made) (a) Remove the release paper from 2 new No. 2 roof silencer pads. HINT: After removing the release paper, keep the exposed adhesive free from foreign matter. (b) Align the 2 No. 2 roof silencer pads with the markings on the roof ...