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:
Theft Deterrent System Presence Detection (B279C,B279C95)
DESCRIPTION
If an ECM that is incompatible with the engine immobiliser system is installed,
the ECM stores this DTC.
DTC No.
DTC Detection Condition
Trouble Area
DTC Output Confirmation Operation
B279C*1
An ECM that is incom ...
Operation Check
OPERATION CHECK
CHECK PRE-COLLISION SYSTEM SETTING
(a) Turn the ignition switch to ON.
(b) Operate the steering pad switch assembly to change the setting of PCS on
the multi-information display to "On" and check that the pre-collision system turns
on.
HINT:
When the ignition switc ...
Dtc Check / Clear
DTC CHECK / CLEAR
NOTICE:
When the diagnosis system is changed from normal mode to check mode or vice versa,
all DTCs and freeze frame data recorded in normal mode are cleared. Before changing
modes, always check and make a note of DTCs and freeze frame data.
HINT:
DTCs which are sto ...
