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 |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Panoramic View Monitor System: Diagnosis System
DIAGNOSIS SYSTEM PARKING ASSIST MONITOR DIAGNOSIS SYSTEM (a) For panoramic view monitor system diagnosis, signals received by the parking assist ECU can be checked, and the panoramic view monitor system can be calibrated, adjusted and checked using the radio receiver assembly. NOTICE: Depending on t ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Panoramic View Monitor System: Front Camera Feedback Malfunction (C1681)
DESCRIPTION DTC C1681 is stored if the parking assist ECU judges as a result of its self check that a synchronization problem is occurring in the image signal sent from the front television camera assembly to the parking assist ECU. DTC No. Detection Item DTC Detection Condition Trouble Are ...