Terminals Of Ecu
WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
- SKID CONTROL ECU CONNECTOR TERMINAL REFERENCE TABLE
Terminal No. (Symbols) Terminal Description A17-1 (GND1) Skid control ECU ground A17-2 (STPO) Stop light control relay (BRK NO. 1) signal input A17-3 (PKB2) Parking brake switch signal input A17-4 (CANL) Vehicle CAN communication line A17-5 (CANH) Vehicle CAN communication line A17-6 (EXI2) A.D.D. detection switch signal input (4WD) A17-7 (D/G) Diagnosis tester communication line A17-8 (BZ) Buzzer drive input A17-9 (IG1) IG1 power supply A17-10 (TS) Sensor check input A17-11 (STP2) Stop light switch and stop light control relay (BRK NO. 1) signal input A17-12 No pin A17-13 (CSW) VSC OFF switch signal input A17-14 (SP1) Vehicle speed pulse signal output A17-15 No pin A17-16 (+BM) Motor relay power supply A17-17 (BST) Brake booster solenoid ground A17-18 (PIM) Pedal stroke sensor (Delta S sensor) input line A17-19 (GYAW) Yaw rate sensor ground A17-20 No pin A17-21 (E3) Pedal stroke sensor (Delta S sensor) ground A17-22 (VCP) Pedal stroke sensor (Delta S sensor) power source A17-23 No pin A17-24 (PSNC) Brake booster micro switch (Normal Close) signal input A17-25 (PSNO) Brake booster micro switch (Normal Open) signal input A17-26 (VYS) Yaw rate sensor power source A17-27 (STS) Brake booster micro switch power source A17-28 No pin A17-29 (SS2) Yaw rate sensor signal line (CANL) A17-30 (SS1) Yaw rate sensor signal line (CANH) A17-31 (BSTP) Brake booster solenoid power source A17-32 No pin A17-33 (FL-) Front wheel LH speed signal line A17-34 (FL+) Front wheel LH speed signal line A17-35 (BSW) Stop light control relay (BRK NO. 2) drive input A17-36 (RR+) Rear wheel RH speed signal line A17-37 (RR-) Rear wheel RH speed signal line A17-38 No pin A17-39 No pin A17-40 No pin A17-41 (STP) Stop light switch signal input A17-42 (RL-) Rear wheel LH speed signal line A17-43 (RL+) Rear wheel LH speed signal line A17-44 No pin A17-45 (FR+) Front wheel RH speed signal line A17-46 (FR-) Front wheel RH speed signal line A17-47 (+BS) Solenoid relay power supply - CHECK SKID CONTROL ECU
- Disconnect the A17 ECU connector.
- Measure the voltage or resistance according to the value(s) in the table below.
HINT:
Voltage cannot be measured with the connector connected to the skid control ECU as the connector is watertight.
CONNECTOR TERMINAL REFERENCE TABLETerminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition A17-1 (GND1) - Body ground W-B - Body ground Skid control ECU ground Always Below 1 Ω A17-2 (STP0) - Body ground BR - Body ground Stop light control relay (BRK NO. 1) signal input Ignition switch ON 11 to 14 V A17-3 (PKB2) - Body ground LG - Body ground Parking brake switch signal input Parking brake switch ON Below 1 Ω A17-6 (EXI2) - Body ground GR - Body ground A.D.D. detection switch signal input (4WD) A.D.D. detection switch ON Below 1 Ω A17, 7 (D/G)-DLC Terminal - Diagnosis tester communication line Always Below 1 Ω A17-8 (BZ) - Body ground Y - Body ground Buzzer drive input Ignition switch ON 11 to 14 V A17-9 (IG1) - Body ground V - Body ground IG1 power supply Ignition switch ON 11 to 14 V A17-10 (TS)-DLC Terminal - Sensor check input Always Below 1 Ω A17-11 (STP2) - Body ground GR - Body ground Stop light switch and stop light control relay (BRK NO. 1) signal input Brake pedal depressed 8 to 14 V Brake pedal released Below 1.5 V A17-13 (CSW) - Body ground P - Body ground VSC OFF switch signal input VSC OFF switch ON Below 1 Ω A17-14 (SP1) - Body ground Y - Body ground Vehicle speed pulse signal output Always 11 to 14 V A17-16 (+BM) - Body ground L - Body ground Motor relay power supply Always 11 to 14 V A17-17 (BST) - A17-31 (BSTP) B-V Brake booster solenoid ground Always 1 to 2 Ω A17-18 (PIM) - A17-21 (E3) R-O Pedal stroke sensor (Delta S sensor) input line Always 4 to 8 kΩ for 4WD:
A17-19 (GYAW) - P16-5 (GYAW)P-G Yaw rate sensor ground Always Below 1 Ω for 2WD:
A17-19 (GYAW) - P15-5 (GYAW)A17-21 (E3) - Body ground O - Body ground Pedal stroke sensor (Delta S sensor) ground Always 10 kΩ or higher A17-22 (VCP) - A17-21 (E3) G-0 Pedal stroke sensor (Delta S sensor) power source Always 150 to 200 Ω A17-24 (PSNC) - A17-27 (STS) L-SB Brake booster micro switch (Normal Close) signal input Always Below 1 Ω A17-25 (PSNO) - A17-27 (STS) LG-SB Brake booster micro switch (Normal Open) signal input Brake pedal depressed Below 1 Ω for 4WD:
A17-26 (VYS) - P16-3 (VYS)R-R Yaw rate sensor power source Always Below 1 Ω for 2WD:
A17-26 (VYS) - P15-3 (VYS)A17-27 (STS) - A17-24 (PSNC) SB-L Brake booster micro switch power source Always Below 1 Ω for 4WD:
A17-29 (SS2) - P16-1 (YAW2)W-W Yaw rate sensor signal line (CANL) Always Below 1 Ω for 2WD:
A17-29 (SS2) - P15-1 (YAW2)for 4WD:
A17-30 (SS1) - P16-2 (YAW1)B-B Yaw rate sensor signal line (CANH) Always Below 1 Ω for 2WD:
A17-30 (SS1) - P15-2 (YAW1)A17-31 (BSTP) - A17-17 (BST) V-B Brake booster solenoid power source Always 1 to 2 Ω A17-33 (FL-) - b2-1 LG-B Front wheel LH speed signal line Always Below 1 Ω A17-34 (FL+) - b2-2 V-W Front wheel LH speed signal line Always Below 1 Ω A17-35 (BSW) - Body ground L - Body ground Stop light control relay (BRK NO. 2) drive input Ignition switch ON 11 to 14 V A17-36 (RR+) - b3-2 B-W Rear wheel RH speed signal line Always Below 1 Ω A17-37 (RR-) - b3-1 W-B Rear wheel RH speed signal line Always Below 1 Ω A17-41 (STP) - Body ground Y - Body ground Stop light switch signal input Brake pedal depressed 8 to 14 V Brake pedal released Below 1.5 V A17-42 (RL-) - b4-1 P-B Rear wheel LH speed signal line Always Below 1 Ω A17-43 (RL+) - b4-2 L-W Rear wheel LH speed signal line Always Below 1 Ω A17-45 (FR+) - b1-2 O-W Front wheel RH speed signal line Always Below 1 Ω A17-46 (FR-) - b1-1 G-B Front wheel RH speed signal line Always Below 1 Ω A17-47 (+BS) - Body ground R - Body ground Solenoid relay power supply Always 11 to 14 V