Terminals Of Ecu
- Terminals of ECU ECU TERMINALS DESCRIPTION
Symbols (Terminal No.) Terminal Description GND1 (1) Skid control ECU ground +BS (2) Solenoid valve power supply FL- (9) Front LH wheel speed signal input (-) FL+ (10) Front LH wheel speed signal input (+) D/G (13) Diagnosis tester communication line STP (14) Stop lamp switch input RL+ (15) Rear LH wheel speed signal input (+) RL- (16) Rear LH wheel speed signal input (-) WA (17) ABS warning light output SP1 (18) Speed signal output for meter TS (20) Sensor diagnosis check input TC (21) Diagnosis tester communication line PKB (23) Parking brake switch input +BM (31) Motor relay power supply GND2 (32) Skid control ECU ground FR- (39) Front RH wheel speed signal input (-) FR+ (40) Front RH wheel speed signal input (+) BRL (43) Brake warning light output RR+ (44) Rear RH wheel speed signal input (+) RR- (45) Rear RH wheel speed signal input (-) IG1 (46) ECU power supply - Terminal Inspection
Disconnect the connector and measure the voltage on the wire harness side.
HINT:
Voltage can not be measured with the connector connected to the skid control ECU as the connector is water resistance.
SKID CONTROL ECU TERMINALS VOLTAGESymbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition +BS (2) - GND1 (1) R-W-B Solenoid valve power supply Always 10 to 14 V STP (14) - GND1 (1) G-W-W-B Stop lamp switch input Stop lamp switch ON 10 to 14 V WA (17) - GND1 (1) W-R-W-B ABS warning light output IG switch ON, ABS warning light ON 4 V or more PKB (23) - GND1 (1) R-W-W-B Parking brake switch input IG switch ON, parking brake switch ON Below 2.0 V PKB (23) - GND1 (1) R-W-W-B Parking brake switch input IG switch ON, parking brake switch OFF 8 to 14 V +BM (31) - GND2 (32) L-W-B Motor relay power supply Always 10 to 14 V BRL (43) - GND1 (1) R-W-B Brake warning light output IG switch ON, brake warning light ON 4 V or more IG1 (46) - GND1 (1) B-W-W-B ECU power supply IG switch ON 10 to 14 V