Lexus ES manuals

Lexus ES: Terminals Of Ecu

TERMINALS OF ECU

BLIND SPOT MONITOR SENSOR RH

Terminal No.

(Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

R4-4 (OMIR) - R4-10 (BRGD)

SB - W-B

Outer rear view mirror indicator RH power source

Outer rear view mirror indicator RH illuminated

3.5 to 9.5 V

Outer rear view mirror indicator RH blinking

Alternating between 0 to 9.5 V

Outer rear view mirror indicator RH not illuminated

Below 1 V

R4-5 (BRB) - R4-10 (BRGD)

B - W-B

IG power source

Engine switch off

Below 1 V

Engine switch on (IG)

10.5 to 16 V

R4-10 (BRGD) - Body Ground

W-B - Body ground

Ground

Always

Below 1 V

BLIND SPOT MONITOR SENSOR LH

Terminal No.

(Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

R5-3 (BUZ) - R5-10 (BLGD)

BE - 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

R5-4 (OMIL) - R5-10 (BLGD)

R - W-B

Outer rear view mirror indicator LH power source

Outer rear view mirror indicator LH illuminated

3.5 to 9.5 V

Outer rear view mirror indicator LH blinking

Alternating between 0 to 9.5 V

Outer rear view mirror indicator LH not illuminated

Below 1 V

R5-5 (BLB) - R5-10 (BLGD)

B - W-B

IG power source

Engine switch off

Below 1 V

Engine switch on (IG)

11 to 14 V

R5-10 (BLGD) - Body Ground

W-B - Body ground

Ground

Always

Below 1 V

READ NEXT:

 Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129,U0142,U0293)

DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the blind spot monitor sensor. HINT: If CAN communication system DTCs are stored, they may also

 Lost Communication with Blind Spot Monitor Slave Module (U0232)

DESCRIPTION This DTC is stored when the blind spot monitor sensor RH judges that there is a communication problem with the blind spot monitor sensor LH. DTC No. Detection Item DTC Detection Con

 Lost Communication with Blind Spot Monitor Master Module (U0233)

DESCRIPTION This DTC is stored when the blind spot monitor sensor LH judges that there is a communication problem with the blind spot monitor sensor RH. DTC No. Detection Item DTC Detection Con

SEE MORE:

 Parts Location

PARTS LOCATION ILLUSTRATION *1 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (for LH) *2 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (for RH) *3 SLIDING ROOF SWITCH (MAP LIGHT SUB-ASSEMBLY) *4 SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) *5 COMBINATION METER ASSEMBLY

 System Diagram

SYSTEM DIAGRAM ELECTRICAL REMOTE CONTROL MIRROR FUNCTION MIRROR HEATER FUNCTION AUTOMATIC GLARE-RESISTANT EC MIRROR FUNCTION Communication Table Sender Receiver Signal Communication Method Air Conditioning Control Assembly Air Conditioning Amplifier Assembly Mirror heater switch

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