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.

    Symbols (Terminal No.)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    +BS (S2-1) - GND (S2-2, 24)
    W-R - W-B
    Solenoid relay power supply
    Always
    10 to 14 V
    EXI4 (S2-3) - GND (S2-2, 24)
    G-W - W-B
    L4 switch input
    Ignition switch ON, L4 switch ON
    Below 1.5 V
    EXI4 (S2-3) - GND (S2-2, 24)*
    G-W - W-B
    L4 switch input
    Ignition switch ON, L4 switch OFF
    8 to 14 V
    GL1 (S2-4) - GND (S2-2, 24)
    R - W-B
    Deceleration sensor input
    Ignition switch ON, vehicle is stopped
    0.5 to 4.5 V
    GGND (S2-7) - GND (S2-2, 24)
    B - W-B
    Deceleration sensor GND
    Ignition switch OFF
    Below 1.5 V
    FL+ (S2-9) - FL- (S2-8)
    R - G
    Front speed sensor LH input
    Ignition switch ON, slowly turn left front wheel
    Pulse generation
    STP (S2-10) - GND (S2-2, 24)
    G-W - W-B
    Stop light switch input
    Stop light switch ON
    8 to 14 V
    STP (S2-10) - GND (S2-2, 24)
    G-W - W-B
    Stop light switch input
    Stop light switch OFF
    Below 1.5 V
    RL+ (S2-11) - RL- (S2-12)
    P - L
    Rear speed sensor LH input
    Ignition switch ON, slowly turn left rear wheel
    Pulse generation
    WA (S2-13) - GND (S2-2, 24)
    R-G - W-B
    ABS warning light output
    Ignition switch ON, ABS warning light ON
    9 to 14 V
    WA (S2-13) - GND (S2-2, 24)
    R-G - W-B
    ABS warning light output
    Ignition switch ON, ABS warning light OFF
    Below 1 V
    D/G (S2-14) - GND (S2-2, 24)
    L-Y - W-B
    Diagnosis tester communication line
    Ignition switch ON
    10 to 14 V
    TS (S2-15) - GND (S2-2, 24)
    W - W-B
    Terminal TS of DLC3
    Ignition switch OFF
    Below 1.5 V
    TS (S2-15) - GND (S2-2, 24)
    W - W-B
    Terminal TS of DLC3
    Ignition switch ON
    10 to 14 V
    TC (S2-16) - GND (S2-2, 24)
    P-L - W-B
    Terminal TC of DLC3
    Ignition switch OFF
    Below 1.5 V
    TC (S2-16) - GND (S2-2, 24)
    P-L - W-B
    Terminal TC of DLC3
    Ignition switch ON
    10 to 14 V
    EXI (S2-17) - GND (S2-2, 24)*
    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
    PKB (S2-18) - GND (S2-2, 24)
    L-O - W-B
    Parking brake switch input
    Ignition switch ON, parking brake switch ON
    Below 1.5 V
    PKB (S2-18) - GND (S2-2, 24)
    L-O - W-B
    Parking brake switch input
    Ignition switch ON, parking brake switch OFF
    10 to 14 V
    EXI2 (S2-22) - GND (S2-2, 24)
    V - W-B
    Transfer indicator switch (rear differential lock) input
    Ignition switch ON, rear differential lock switch ON
    Below 1 V
    Ignition switch ON, rear differential lock switch OFF
    10 to 14 V
    +BM (S2-23) - GND (S2-2, 24)
    R - W-B
    Motor relay power supply
    Always
    10 to 14 V
    IG1 (S2-25) - GND (S2-2, 24)
    B - W-B
    IG1 power supply
    Ignition switch ON
    10 to 14 V
    VGS (S2-28) - GND (S2-2, 24)
    W - W-B
    Deceleration sensor power supply
    Ignition switch ON, vehicle is stopped
    4.75 to 5.25 V
    FR+ (S2-31) - FR- (S2-30)
    L-W - O
    Front speed sensor RH input
    Ignition switch ON, slowly turn right front wheel
    Pulse generation
    RR+ (S2-33) - RR- (S2-34)
    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.