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 |
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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
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Components
COMPONENTS ILLUSTRATION *A for Driver Side *B for Front Passenger Side *C for 17 Speakers - - *1 COURTESY LIGHT ASSEMBLY *2 FRONT DOOR TRIM BOARD SUB-ASSEMBLY *3 FRONT NO. 1 SPEAKER ASSEMBLY *4 FRONT NO. 4 SPEAKER ASSEMBLY *5 MULTIPLEX NETWORK MASTER SWI
Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) The battery ECU assembly has a self-diagnosis system. If the computer, hybrid control system, or a component is not working properly, the ECU records the conditions that relate to the fault. The ECU also illuminates the master warning light in the combination meter a
