Toyota Tacoma (2015-2018) Service Manual: Terminals Of Ecu
TERMINALS OF ECU
1. BLIND SPOT MONITOR SENSOR LH (MASTER)
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
B12-3 (BIND) - B12-10 (BLGD) |
Y - W-B |
Blind spot monitor main switch indicator signal |
Blind spot monitor main switch indicator illuminated |
11 to 14 V |
|
Blind spot monitor main switch indicator not illuminated |
Below 1 V |
|||
|
B12-4 (OMIL) - B12-10 (BLGD) |
G - W-B |
Outer rear view mirror indicator power source signal RH |
Outer rear view mirror indicator illuminated |
2.5 to 7.5 V |
|
Outer rear view mirror indicator blinks |
Alternating between 0 to 7.5 V |
|||
|
Outer rear view mirror indicator not illuminated |
Below 1 V |
|||
|
B12-5 (BLB) - B12-10 (BLGD) |
LG - W-B |
IG power source signal |
Ignition switch off |
Below 1 V |
|
Ignition switch ON |
11 to 14 V |
|||
|
B12-8 (BSSW) - B12-10 (BLGD) |
GR - W-B |
Blind spot monitor main switch assembly (warning canceling switch assembly) signal |
Ignition switch ON, blind spot monitor main switch assembly (warning canceling switch assembly) on |
11 to 14 V |
|
Ignition switch ON, blind spot monitor main switch assembly (warning canceling switch assembly) off |
Below 1 V |
|||
|
B12-10 (BLGD) - Body Ground |
W-B - Body ground |
Ground |
Always |
Below 1 V |
2. BLIND SPOT MONITOR SENSOR RH (SLAVE)
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
B13-3 (BUZ) - B13-10 (BRGD) |
R - W-B |
Rear cross traffic alert buzzer (blind spot monitor buzzer) operation signal |
Rear cross traffic alert buzzer (blind spot monitor buzzer) not sounding |
11 to 14 V |
|
Outer rear view mirror indicator blinks |
Alternating between 0 to 7.5 V |
|||
|
Rear cross traffic alert buzzer (blind spot monitor buzzer) sounding |
Alternating between 0 to 14 V |
|||
|
B13-4 (OMIR) - B13-10 (BRGD) |
SB - W-B |
Outer rear view mirror indicator power source signal LH |
Outer rear view mirror indicator illuminated |
2.5 to 7.5 V |
|
Outer rear view mirror indicator blinks |
Alternating between 0 to 7.5 V |
|||
|
Outer rear view mirror indicator not illuminated |
Below 1 V |
|||
|
B13-5 (BRB) - B13-10 (BRGD) |
LG - W-B |
IG power source signal |
Ignition switch off |
Below 1 V |
|
Ignition switch ON |
11 to 14 V |
|||
|
B13-8 (SPR) - B13-10 (BRGD)*1 |
P - W-B |
Shift position reverse switch signal |
Rear cross traffic alert function is active (vehicle is in reverse) |
11 to 14 V |
|
Rear cross traffic alert function is not active (vehicle is in position other than reverse) |
Below 1 V |
|||
|
B13-10 (BRGD) - Body Ground |
W-B - Body ground |
Ground |
Always |
Below 1 V |
- *1: for Manual Transmission
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
...
Diagnosis System
DIAGNOSIS SYSTEM
1. 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 malfun ...
Other materials:
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE BRAKE MASTER CYLINDER RESERVOIR FILLER CAP ASSEMBLY
2. REMOVE BRAKE MASTER CYLINDER RESERVOIR STRAINER
3. REMOVE BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY
(a) Fix the brake master cylinder in a vise between aluminum plates.
NOTICE:
Do not overtighten the vise.
...
VSC Buzzer Circuit
DESCRIPTION
The skid control ECU (brake actuator assembly) is connected to the combination
meter via CAN communication.
The combination meter has a built-in VSC warning buzzer:
Sounds intermittently to inform the driver if the temperature of brake
actuator assembly has increased exce ...
Registered Device cannot be Deleted
PROCEDURE
1.
DELETE OPERATION
(a) Check if a registered portable player can be deleted normally.
OK:
Registered portable player can be deleted normally.
OK
END
NG
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYM ...
