Anti-Lock Brake System Terminals Of Ecu

Brake. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Brake Control Dynamic Control Systems. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

  1. TERMINAL OF ECU

  1. TERMINAL INSPECTION

Anti-Lock Brake System -- Terminals Of Ecu



TERMINAL OF ECU
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Brake Control Dynamic Control Systems.Anti-Lock Brake System.Anti-Lock Brake System Terminals Of Ecu
Text in Illustration
*a
Component without harness connected
(Skid Control ECU [Brake Actuator Assembly])

Terminal No. (Symbol)
Terminal Description
1 (+BS)
ABS solenoid power supply
2 (GND1)
Ground
3 (EXI4)*1
L4 position switch (No. 1 transfer indicator switch) input
4 (GL1)*2
Deceleration sensor signal input
7 (GGND)*2
Deceleration sensor ground
8 (FL-)
Front LH wheel speed signal input
9 (FL+)
Front LH wheel speed signal input
10 (STP)
Stop light switch input
11 (RL+)
Rear LH wheel speed signal input
12 (RL-)
Rear LH wheel speed signal input
13 (WA)
ABS warning light output
14 (D/G)
Diagnosis tester communication line
15 (TS)
Signal check input
16 (TC)
Diagnosis input
17 (EXI)*1
4WD detection switch (Differential vacuum actuator assembly) input
18 (PKB)
Parking brake switch input
22 (EXI2)*2
w/o Rear Differential Lock: IG power supply input
w/ Rear Differential Lock: Rear differential lock position switch (No. 4 transfer indicator switch) signal input
23 (+BM)
ABS motor relay power supply
24 (GND2)
Ground
25 (IG1)
Skid control ECU (Brake actuator assembly) power supply
28 (VGS)*2
Deceleration sensor power supply
30 (FR-)
Front RH wheel speed signal input
31 (FR+)
Front RH wheel speed signal input
33 (RR+)
Rear RH wheel speed signal input
34 (RR-)
Rear RH wheel speed signal input
  1. *1: for 4WD
  2. *2: for 4WD and Pre-Runner

TERMINAL INSPECTION
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Brake Control Dynamic Control Systems.Anti-Lock Brake System.Anti-Lock Brake System Terminals Of Ecu
Text in Illustration
*a
Front view of wire harness connector
(to Skid Control ECU [Brake Actuator Assembly])

  1. Disconnect the skid control ECU (brake actuator assembly) connector.

  2. Measure the voltage and resistance according to the value(s) in the table below.

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    A13-1 (+BS) - Body ground
    		W-R
    		ABS solenoid power supply
    		Always
    		11 to 14 V
    A13-2 (GND1) - Body ground
    		W-B
    		Ground
    		Always
    		Below 1 Ω
    A13-3 (EXI4)*1 - Body ground
    		G-W
    		L4 position switch (No. 1 transfer indicator switch) input
    		Transfer shift position L4
    		Below 1 Ω
    A13-10 (STP) - Body ground
    		G-W
    		Stop light switch input
    		Brake pedal depressed
    		8 to 14 V
    Brake pedal released
    		Below 1.5 V
    A13-17 (EXI)*1 - Body ground
    		R-B
    		4WD detection switch (Differential vacuum actuator assembly) input
    1. Ignition switch ON
    2. Transfer shift position H2
    		11 to 14 V
    A13-18 (PKB) - Body ground
    		L-O
    		Parking brake switch input
    1. Ignition switch ON
    2. Parking brake applied
    		Below 1.5 V
    1. Ignition switch ON
    2. Parking brake released
    		10 to 14 V
    A13-22 (EXI2)*2 - Body ground
    		V
    		w/o Rear Differential Lock: IG power supply input
    w/ Rear Differential Lock: Rear differential lock position switch (No. 4 transfer indicator switch) signal input
    1. Ignition switch ON
    2. w/ Rear Differential Lock: Rear differential free
    		11 to 14 V
    A13-23 (+BM) - Body ground
    		R
    		ABS motor relay power supply
    		Always
    		11 to 14 V
    A13-24 (GND2) - Body ground
    		W-B
    		Ground
    		Always
    		Below 1 Ω
    A13-25 (IG1) - Body ground
    		B
    		Skid control ECU (Brake actuator assembly) power supply
    		Ignition switch ON
    		11 to 14 V
    1. *1: for 4WD
    2. *2: for 4WD and Pre-Runner
    If the result is not as specified, there may be a malfunction on the wire harness side.