TERMINALS OF ECU
HINT:
Check from the rear of the connector while it is connected to the components.
DCM (TELEMATICS TRANSCEIVER)
Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
---|---|---|---|---|
J157-1 (+B) - J157-20 (E) | Y - W-B | Power source (+B) | Always | 11 to 14 V |
J157-20 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
J157-19 (IG2) - J157-20 (E) | B - W-B | Power source (IG) | Engine switch on (IG) | 11 to 14 V |
Engine switch off | Below 1 V | |||
J157-25 (CANP) | R | CAN communication signal | - | - |
J157-26 (CANN) | W | CAN communication signal | - | - |
J157-30 (SLPD) - J157-20 (E) | B - W-B | Steering lock bar position signal | Steering locked | 11 to 14 V |
Steering unlocked | Below 1.5 V |
CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
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Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Vehicle Stability Control System: Brake Hold Standby Indicator Light Circuit
DESCRIPTION The brake hold standby indicator light turns on if brake hold control is possible when the following conditions required for operation standby are met and the brake hold switch (electric parking brake switch assembly) is pressed while the engine switch is on (IG).
Conditions required ...
Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Safety Connect System: Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Telematics / Trouble Codes. Body Electrical > Telematics > Trouble Codes (e) Check for DTCs and write them down. ...