VEHICLE STABILITY CONTROL SYSTEM > TERMINALS OF ECU |
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TERMINALS OF ECU |
Terminal No. (Symbol) | Terminal Description |
1 (GND1) | Skid control ECU ground |
2 (STP) | Stop light switch input |
4 (RL-) | Rear wheel speed LH (-) signal input |
5 (RL+) | Rear wheel speed LH (+) power supply output |
6 (FR-) | Front wheel speed RH (-) signal input |
7 (FR+) | Front wheel speed RH (+) power supply output |
11 (SP1) | Speed signal output for speedometer |
12 (+BS) | Solenoid relay power supply |
13 (GND2) | Pump motor ground |
14 (CANL) | CAN communication line L |
16 (RR-) | Rear wheel speed RH (-) signal input |
17 (RR+) | Rear wheel speed RH (+) power supply output |
18 (FL-) | Front wheel speed LH (-) signal input |
19 (FL+) | Front wheel speed LH (+) power supply output |
24 (+BM) | Motor relay power supply |
25 (CANH) | CAN communication line H |
30 (CSW) | VSC OFF switch input |
33 (TS) | Sensor check input |
34 (IG1) | ECU power supply |
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 watertight.
Standard Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition A66-1 (GND1) - Body ground W-B - Body ground Skid control ECU ground Always Below 1 Ω A66-2 (STP) - Body ground L-W - Body ground Stop light switch input Stop light switch ON → OFF
(Brake pedal depressed → released)8 to 14 V
→ Below 1.5 VA66-12 (+BS) - Body ground W - Body ground Solenoid relay power supply Always 11 to 14 V A66-13 (GND2) - Body ground W-B - Body ground Pump motor ground Always Below 1 Ω A66-24 (+BM) - Body ground L - Body ground Motor relay power supply Always 11 to 14 V A66-30 (CSW) - Body ground P - Body ground VSC OFF switch input VSC OFF switch held ON → OFF (Not pressed) Below 25 Ω → 10 kΩ or higher A66-34 (IG1) - Body ground L-B - Body ground ECU power supply Ignition switch ON 11 to 14 V