Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Terminals Of Ecm
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
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of ...
Diagnosis System
DIAGNOSIS SYSTEM DLC3 (Data Link Connector 3) (a) Check the DLC3. Click here BATTERY VOLTAGE Standard Voltage: 11 to 14 V If the voltage is below 11 V, replace or recharge the battery. ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Cornering Light Assembly: Inspection
INSPECTION PROCEDURE 1. INSPECT CORNERING LIGHT ASSEMBLY LH (FOG LIGHT ASSEMBLY LH) (a) Apply battery voltage to the cornering light assembly LH (fog light assembly LH) and check that the light comes on. OK: Condition Specified Condition Battery positive (+) → Terminal 1 (B) and Termi ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Cooling Fan System: Cooling Fan Circuit
DESCRIPTION The ECM calculates an appropriate cooling fan speed based on the engine coolant temperature, air conditioning switch condition, refrigerant pressure, engine speed and vehicle speed. The cooling fan ECUs control each cooling fan speed based on the duty cycle calculated by the ECM. By opti ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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