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 > Purge Valve: Removal
REMOVAL PROCEDURE 1. REMOVE V-BANK COVER SUB-ASSEMBLY Click here 2. REMOVE PURGE VALVE (PURGE VSV) (for TMMC Made) (a) Disconnect the purge valve (purge VSV) connector. *1 No. 1 Fuel Vapor Feed Hose *2 Fuel Vapor Feed Hose (b) Slide the clip and disconnect the fue ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Occupant Classification System: Occupant Classification ECU Malfunction (B1795)
DESCRIPTION DTC B1795 is stored when a malfunction is detected in the occupant detection ECU. DTC No. Detection Item DTC Detection Condition Trouble Area B1795 Occupant Classification ECU Malfunction Occupant detection ECU malfunction Occupant detection ECU CAUTION / NOTICE / H ...