Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

Text in Illustration
*a
Front view of wire harness connector
(to Skid Control ECU [Brake Actuator Assembly])
- -
HINT:
Voltage cannot be measured with the connector connected to the skid control (brake actuator assembly) as
the connector is watertight.
TERMINAL NO.
(SYMBOL)
WIRING
COLOR
TERMINAL DESCRIPTION CONDITION SPECIFIED
CONDITION
S1-1 (GND2) -
Body ground
W-B -
Body
ground
Pump motor ground Always Below 1 Ω
S1-3 (EXI) -
Body ground*1
LG - Body
ground
4WD detection switch
(Transfer shift actuator
assembly) input
Ignition switch ON
4WD control switch
(Transfer position
switch) set to H2
11 to 14 V
A.D.D. position switch
(Differential motor actuator
assembly) signal input
Ignition switch ON
4WD control switch
(Transfer position
switch) not set to L4
11 to 14 V
S1-5 (EXI4) -
Body ground*1
GR - Body
ground
L4 detection switch (Transfer
shift actuator assembly) input
Ignition switch ON
4WD control switch
(Transfer position
switch) not set to L4
11 to 14 V
S1-7 (STP2) -
Body ground
L - Body
ground
Stop light switch assembly
input
Stop light switch assembly on
off (Brake pedal depressed
released)
8 to 14 V
Below 1.5 V
S1-12 (IG1) -
Body ground
G - Body
ground
ECU power supply input Ignition switch ON 11 to 14 V
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