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 > Rear No. 1 Seat Assembly (for 60/40 Split Seat Type Lh Side): Reassembly
REASSEMBLY CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the seat frame may injure your hands. PROCEDURE 1. INSTALL REAR SEATBACK FRAME SUB-ASSEMBLY LH (a) Temporarily install the rear seatback frame sub-assembly LH to the No. 1 seat cushion frame sub-assembly LH as shown i ...
Lexus RX (RX 350L, RX450h) 2016-2026 Owners Manual > For safe use: Front passenger occupant
classification system
Your vehicle is equipped with a front passenger occupant classification
system.
This system detects the conditions of the front passenger seat and activates
or deactivates the devices for the front passenger.
SRS warning light
Seat belt reminder light
"AIR BAG OFF" indicator light
...