Anti-Lock Brake System Terminals Of Ecu

  1. CHECK BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU WITH ACTUATOR)

Anti-Lock Brake System -- Terminals Of Ecu



CHECK BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU WITH ACTUATOR)

Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Brake Control.Anti-Lock Brake System.Anti-Lock Brake System  Terminals Of Ecu

  1. Measure the voltage of the wire harness side connector.

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    S2-1 (+BS) - S2-2, 24 (GND1, GND2)
    W-R - W-B
    Solenoid relay power supply
    Always
    10 to 14 V
    S2-3 (EXI4) - S2-2, 24 (GND1, GND2)
    G-W - W-B
    L4 switch input
    Ignition switch ON, L4 switch ON
    Below 1.5 V
    Ignition switch ON, L4 switch OFF
    8 to 14 V
    S2-4 (GL1) - S2-2, 24 (GND1, GND2)
    R - W-B
    Deceleration sensor input
    Ignition switch ON, vehicle is stopped
    0.5 to 4.5 V
    S2-7 (GGND) - S2-2, 24 (GND1, GND2)
    B - W-B
    Deceleration sensor GND
    Ignition switch OFF
    Below 1.5 V
    S2-9 (FL+) - S2-8 (FL-)
    R - G
    Front speed sensor LH input
    Ignition switch ON, slowly turn left front wheel
    Pulse generation
    S2-10 (STP) - S2-2, 24 (GND1, GND2)
    G-W - W-B
    Stop light switch input
    Stop light switch ON
    8 to 14 V
    Stop light switch OFF
    Below 1.5 V
    S2-11 (RL+) - S2-12 (RL-)
    P - L
    Rear speed sensor LH input
    Ignition switch ON, slowly turn left rear wheel
    Pulse generation
    S2-13 (WA) - S2-2, 24 (GND1, GND2)
    R-G - W-B
    ABS warning light output
    Ignition switch ON, ABS warning light ON
    9 to 14 V
    S2-13 (WA) - S2-2, 24 (GND1, GND2)
    R-G - W-B
    ABS warning light output
    Ignition switch ON, ABS warning light OFF
    Below 1 V
    S2-14 (D/G) - S2-2, 24 (GND1, GND2)
    L-Y - W-B
    Diagnosis tester communication line
    Ignition switch ON
    10 to 14 V
    S2-15 (TS) - S2-2, 24 (GND1, GND2)
    W - W-B
    Terminal TS of DLC3
    Ignition switch OFF
    Below 1.5 V
    Ignition switch ON
    10 to 14 V
    S2-16 (TC) - S2-2, 24 (GND1, GND2)
    P-L - W-B
    Terminal TC of DLC3
    Ignition switch OFF
    Below 1.5 V
    Ignition switch ON
    10 to 14 V
    S2-17 (EXI) - S2-2, 24 (GND1, GND2)*
    R-B - W-B
    Center differential lock switch input
    Ignition switch ON, center differential locked
    Below 1.5 V
    Ignition switch ON, center differential free
    10 to 14 V
    S2-18 (PKB) - S2-2, 24 (GND1, GND2)
    L-O - W-B
    Parking brake switch input
    Ignition switch ON, parking brake switch ON
    Below 1.5 V
    Ignition switch ON, parking brake switch OFF
    10 to 14 V
    S2-22 (EXI2) - S2-2, 24 (GND1, GND2)
    V - W-B
    w/ Rear Differential Lock: Transfer indicator switch (rear differential lock) input
    w/o Rear Differential Lock: IG power supply input
    w/ Rear Differential Lock: Ignition switch ON, rear differential lock switch ON
    w/o Rear Differential Lock: Ignition switch OFF
    Below 1 V
    w/ Rear Differential Lock: Ignition switch ON, rear differential lock switch OFF
    w/o Rear Differential Lock: Ignition switch ON
    10 to 14 V
    S2-23 (+BM) - S2-2, 24 (GND1, GND2)
    R - W-B
    Motor relay power supply
    Always
    10 to 14 V
    S2-25 (IG1) - S2-2, 24 (GND1, GND2)
    R-L - W-B
    IG1 power supply
    Ignition switch ON
    10 to 14 V
    S2-28 (VGS) - S2-2, 24 (GND1, GND2)
    W - W-B
    Deceleration sensor power supply
    Ignition switch ON, vehicle is stopped
    4.75 to 5.25 V
    S2-31 (FR+) - S2-30 (FR-)
    W - R
    Front speed sensor RH input
    Ignition switch ON, slowly turn right front wheel
    Pulse generation
    S2-33 (RR+) - S2-34 (RR-)
    G - R
    Rear speed sensor RH input
    Ignition switch ON, slowly turn right rear wheel
    Pulse generation
    HINT:
    *: 4WD
    If the result is not as specified, there may be a malfunction in the skid control ECU.