LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2008 >> Tacoma Base, 4D Pickup, Standard >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control >> Vehicle Stability Control System >> Terminals Of Ecu
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Terminals Of Ecu

  1. TERMINALS OF ECU 
    Fig 1: Identifying Terminals Of ECU
    G05199095Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CONNECTOR TERMINAL REFERENCE

    Symbols (Terminal No.) Terminal Description
    GND (1) Skid control ECU ground
    +BM1 (2) Power supply for motor
    FR+ (3) Front wheel speed sensor RH power supply
    FL- (4) Front wheel speed LH signal input
    RR+ (5) Rear wheel speed sensor RH power supply
    RL- (6) Rear wheel speed LH signal input
    STP (7) Stop light switch input
    NEO (10) (1) Skid control ECU ground
    CANH (11) CAN communication line H
    SP1 (12) Speed signal output for combination meter
    D/G (13) Diagnosis tester communication line
    P/R (14) Shift position indicator P signal input
    INFR (15) AUTO LSD indicator light output
    STPO (16) Stop light operated relay output
    FR- (17) Front wheel speed sensor RH input
    FL+ (18) Front wheel speed sensor LH power supply output
    RR- (19) Rear wheel speed sensor RH input
    RL+ (20) Rear wheel speed sensor LH power supply output
    EXI4 (21) (1) Detection (L4) switch input
    TS (24) Sensor test terminal (Sensor check switch) input
    CANL (25) CAN communication line L
    EXI3 (26) Rear differential lock detection switch input
    EXI (27) (1) 4WD switch input
    PKB (28) Parking brake switch input
    WA (29) ABS warning light input
    BZ (30) Buzzer output
    +BS (31) Power supply for solenoid
    GND2 (32) Skid control ECU ground
    HDCW (33) (2) Downhill assist control operation indicator light output
    IND (34) SLIP indicator light output
    VSCW (36) VSC OFF indicator light output
    LBL (41) Brake fluid level warning switch input
    WFSE (42) Write flash enable input
    CSW (43) VSC OFF switch input
    HDCS (44) (2) Downhill assist control operation switch input
    STP2 (45) Stop light switch input
    IG1 (46) IG1 power supply
    (1) 4WD
    (2) with Downhill assist control
    Fig 2: Identifying Skid Control ECU Connector Terminal
    G05199202Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CONNECTOR TERMINAL REFERENCE

    Symbols (Terminal No.) Terminal Description
    IG2 (1) IG2 Power supply
    +BM2 (2) Power supply for motor
    BRL (3) BRAKE warning light output
    GND3 (4) Skid control ECU ground
  2. TERMINAL INSPECTION 

    Disconnect the connector and measure the voltage or resistance on the wire harness side.

    HINT:

    Voltage cannot be measured with the connector connected to the skid control ECU as the connector is water resistant.

    Fig 3: Identifying Skid Control ECU Connector Terminal
    G05199203Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CONNECTOR TERMINAL REFERENCE

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    +BM1 (S1-2) - GND (S1-1,32) B - W-B Power supply for motor From battery Always 10 to 14 V
    IG1 (S1-46) - GND (S1-1, 32) LG - W-B IG1 power supply IG switch OFF Below 1 V
    IG1 (S1-46) - GND (S1-1,32) LG - W-B IG1 power supply IG switch ON 10 to 14 V
    STP (S1-7) - GND (S1-1,32) G-W - W-B Stop light switch input Stop light switch OFF (Brake pedal released) Below 1.5 V
    STP (S1-7) - GND (S1-1,32) G-W - W-B Stop light switch input Stop light switch ON (Brake pedal released) 8 to 14 V
    P/R (S1-14) - GND (S1-1,32) BR-W - W-B Shift position indicator P signal input IG switch ON, shift P position 8 to 14 V
    P/R (S1-14) - GND (S1-1,32) BR-W - W-B Shift position indicator P signal input IG switch ON, any shift position except P Below 1 V
    PKB (S1-28) - GND (S1-1, 32) G-Y - W-B Parking brake switch input IG switch ON, parking brake switch ON Below 1.5 V
    PKB (S1-28) - GND (S1-1,32) G-Y - W-B Parking brake switch input IG switch ON, parking brake switch OFF 10 to 14 V
    +BS (S1-31) - GND (S1-1, 32) R - W-B Power supply for solenoid Form battery Always 10 to 14 V
    LBL (S1-41) - GND (S1-1,32) V-W - W-B Brake fluid level warning switch input Brake fluid level min. -5 mm Below 1 Ω
    LBL (S1-41) - GND (S1-1,32) V-W - W-B Brake fluid level warning switch input Brake fluid level max. 1.9 to 2.1 Ω
    STP2 (S1-45) - GND (S1-1, 32) L - W-B Stop light switch input Stop light switch OFF (Brake pedal released) Below 1.5 V
    STP2 (S1-45) - GND (S1-1, 32) L - W-B Stop light switch input Stop light switch ON (Brake pedal released) 8 to 14 V
    IG2 (S2-1) - GND (S2-4) O - W-B IG2 power supply IG switch OFF Below 1 V
    IG2 (S2-1) - GND (S2-4) O - W-B IG2 power supply IG switch ON 10 to 14 V
    +BM2 (S2-2) - GND (S2-4) B - W-B Power supply for motor From battery Always 10 to 14 V
scientia non olet · About LEMON Manuals