ANTI-LOCK BRAKE SYSTEM (for Sedan) > TERMINALS OF ECU |
TERMINALS OF ECU |
*a | Component without harness connected (Skid Control ECU) |
Terminal No. (Symbol) | Terminal Description |
A15-1 (GND1) | Skid control ECU ground |
A15-4 (RL-) | Rear wheel speed LH (-) signal input |
A15-5 (RL+) | Rear wheel speed LH (+) power supply output |
A15-6 (FR-) | Front wheel speed RH (-) signal input |
A15-7 (FR+) | Front wheel speed RH (+) power supply output |
A15-12 (+BS) | Solenoid relay power supply |
A15-13 (GND2) | Pump motor ground |
A15-14 (CANL) | CAN communication line L |
A15-16 (RR-) | Rear wheel speed RH (-) signal input |
A15-17 (RR+) | Rear wheel speed RH (+) power supply output |
A15-18 (FL-) | Front wheel speed LH (-) signal input |
A15-19 (FL+) | Front wheel speed LH (+) power supply output |
A15-24 (+BM) | Motor relay power supply |
A15-25 (CANH) | CAN communication line H |
A15-28 (STP) | Stop light switch input |
A15-34 (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.
Text in Illustration *a Front view of wire harness connector
(to Skid Control ECU)Standard Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition A15-1 (GND1) - Body ground W-B Skid control ECU ground Always Below 1 Ω A15-12 (+BS) - Body ground W Solenoid relay power supply Always 11 to 14 V A15-13 (GND2) - Body ground W-B Pump motor ground Always Below 1 Ω A15-28 (STP) - Body ground G Stop light switch input Stop light switch ON → OFF
(Brake pedal depressed → released)8 to 14 V
→ Below 1.5 VA15-24 (+BM) - Body ground B Motor relay power supply Always 11 to 14 V A15-25 (CANH) - A15-14 (CANL) G-W CAN BUS Ignition switch off 54 to 69 Ω A15-34 (IG1) - Body ground B ECU power supply Ignition switch ON 11 to 14 V