Terminals Of Ecu
- CHECK BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU ASSEMBLY WITH ACTUATOR)
- Measure the voltage and resistance of the wire harness side connector.TERMINAL SPECIFICATION CHART
Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition +BS (S1-1) - GND (S1-2, 24) B - W-B Solenoid relay power supply Always 11 to 14 V FR+ (S1-31) - FR- (S1-30) G-W - G-O Front RH wheel speed signal input Ignition switch ON, slowly turn right front wheel AC generation FL+ (S1-9) - FL- (S1-8) R - G Front LH wheel speed signal input Ignition switch ON, slowly turn left front wheel AC generation RR+ (S1-33) - RR- (S1-34) LG-B - LG-R Rear RH wheel speed signal input Ignition switch ON, slowly turn right rear wheel AC generation RL+ (S1-11) - RL- (S1-12) Y-B - P-B Rear LH wheel speed signal input Ignition switch ON, slowly turn left rear wheel AC generation SP1 (S1-26) - GND (S1-2, 24) W-R - W-B Speed signal output Vehicle driving at about 20 km/h (12 mph) AC generation D/G (S1-14) - GND (S1-2, 24) W - W-B Diagnostic communication line Ignition switch ON 11 to 14 V TC (S1-16) - GND (S1-2, 24) P-B - W-B Diagnosis tester communication line Ignition switch ON 11 to 14 V +BM (S1-23) - GND (S1-2, 24) B - W-B Motor relay test input Always 11 to 14 V STP (S1-10) - GND (S1-2, 24) G-W - W-B Stop light input signal Stop light switch ON (Brake pedal depressed) 8 to 14 V PKB (S1-18) - GND (S1-2, 24) Y-B - W-B Parking brake switch input Ignition switch ON, parking brake switch ON Below 1.5 V Ignition switch ON, parking brake switch OFF 11 to 14 V WA (S1-13) - GND (S1-2, 24) P - W-B ABS warning light output Ignition switch ON, ABS warning light ON 8 to 14 V BRL (S1-32) - GND (S1-2, 24) B-Y - W-B Brake warning line output Ignition switch ON, brake warning light ON 8 to 14 V IG1 (S1-25) - GND (S1-2, 24) B-L - W-B IG1 power supply Ignition switch ON 11 to 14 V If the result is not as specified, there may be a malfunction in the ECU.
- Measure the voltage and resistance of the wire harness side connector.