Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM (for Gasoline Model (w/o Safe Exit Assist Function)): TERMINALS OF ECU; 2020 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 04/2020]
TERMINALS OF ECU
BLIND SPOT MONITOR SENSOR LH
Terminal No.
(Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
O57-4 (OMIL) - O57-10 (BLGD)
P - W-B*1
L - W-B*2
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
O57-5 (BLB) - O57-10 (BLGD)
SB - W-B*1
W - W-B*2
IG power source
Engine switch off
Below 1 V
Engine switch on (IG)
11 to 14 V
O57-10 (BLGD) - Body Ground
W-B - Body ground
Ground
Always
Below 1 V
*1: for Hatchback Model
*2: for Sedan Model
BLIND SPOT MONITOR SENSOR RH
Terminal No.
(Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
O58-4 (OMIR) - O58-10 (BRGD)
L - W-B*1
SB - W-B*2
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