Lexus NX: Terminals Of Ecu
TERMINALS OF ECU
BLIND SPOT MONITOR SENSOR LH (MASTER)
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| V1-3 (BIND) - V1-10 (BLGD) | B - W-B | Blind spot monitor main switch (combination switch assembly) indicator signal | Power switch on (IG), blind spot monitor main switch (combination switch assembly) on | 11 to 14 V |
| Power switch on (IG), blind spot monitor main switch (combination switch assembly) off | Below 1 V | |||
| V1-4 (OMIL) - V1-10 (BLGD) | V - W-B | Outer rear view mirror indicator LH power source signal | Outer rear view mirror indicator LH illuminated | 3.5 to 9.5 V |
| Outer rear view mirror indicator LH blinks | Alternating between 0 to 9.5 V | |||
| Outer rear view mirror indicator LH not illuminated | Below 1 V | |||
| V1-5 (BLB) - V1-10 (BLGD) | B - W-B | IG power source signal | Power switch off | Below 1 V |
| Power switch on (IG) | 11 to 14 V | |||
| V1-8 (BSSW) - V1-10 (BLGD) | W - W-B | Blind spot monitor main switch (combination switch assembly) indicator signal | Power switch on (IG), blind spot monitor main switch (combination switch assembly) on | 11 to 14 V |
| Power switch on (IG), blind spot monitor main switch (combination switch assembly) off | Below 1 V | |||
| V1-10 (BLGD) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
BLIND SPOT MONITOR SENSOR RH (SLAVE)
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| X1-3 (BUZ) - X1-10 (BRGD) | G - W-B | RCTA buzzer (blind spot monitor buzzer) operation signal | RCTA buzzer (blind spot monitor buzzer) not sounding | 11 to 14 V |
| RCTA buzzer (blind spot monitor buzzer) sounding | Alternating between 0 to 14 V | |||
| X1-4 (OMIR) - X1-10 (BRGD) | V - W-B | Outer rear view mirror indicator RH power source signal | Outer rear view mirror indicator RH illuminated | 3.5 to 9.5 V |
| Outer rear view mirror indicator RH blinks | Alternating between 0 to 9.5 V | |||
| Outer rear view mirror indicator RH not illuminated | Below 1 V | |||
| X1-5 (BRB) - X1-10 (BRGD) | P - W-B | IG power source signal | Power switch off | Below 1 V |
| Power switch on (IG) | 11 to 14 V | |||
| X1-10 (BRGD) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
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Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Blind spot monitor data and Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctionin
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the blind spot monitor main switch (combination switch assembly) on. (d) Turn the Techst
Freeze Frame Data
FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever a DTC is detected, the blind spot monitor sensor stores the current vehicle (sensor) state as Freeze Frame Data. CHECK FREEZE FRAME DATA (a) Connect th
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CAN Communication Failure (Message Registry) (U1000)
DESCRIPTION This DTC is stored when the rear television camera assembly judges that it has an internal CAN malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area U1000 CAN Communication Failure (Message Registry) Can communication failure (message registry) Rear
Volume Switch Circuit (B1361)
DESCRIPTION The stereo component equalizer assembly adjusts sound volume based on the signal sent by the vehicle sound switch. DTC No. Detection Item DTC Detection Condition Trouble Area B1361 Volume Switch Circuit Open in the volume switch circuit
Harness or connector
Vehicl
