Terminals Of Ecu
- Terminal of ECU ECU TERMINALS DESCRIPTION
Symbols (Terminal No.) Terminal Description GND 2 (1) Motor ground BM (2) Motor relay input FR+ (3) Front RH wheel speed signal power supply output FL- (4) Front LH wheel speed signal input RR+ (5) Rear RH wheel speed signal power supply output RL- (6) Rear LH wheel speed signal input FSW+ (7) Brake pedal load sensing switch input CANH (11) CAN communication line H SP1 (12) Speed signal output for combination meter D/G (13) Diagnosis tester communication line MRF (14) Fail safe motor relay output MR (15) Motor relay output FR- (17) Front RH wheel speed signal input FL+ (18) Front LH wheel speed signal power supply output RR- (19) Rear RH wheel speed signal input RL+ (20) Rear LH wheel speed signal power supply output TS (24) Test mode input CANL (25) CAN communication line L STP (27) Stop light switch input PKB (28) Parking brake switch input BZ (30) Buzzer output +BS (31) Solenoid relay power supply GND1 (32) Skid control ECU ground FRO (37) Front RH wheel speed signal output FLO (38) Front LH wheel speed signal output RRO (39) Rear RH wheel speed signal output RLO (40) Rear LH wheel speed signal output WFSE (42) WFSE input CSW (43) Traction OFF switch input R+ (45) Power supply for motor relay IG1 (46) IG1 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.
TERMINALS DESCRIPTIONSymbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition FSW+ (7) - Body ground G-O - Body ground Brake pedal load sensing switch input Stop light switch ON (Brake pedal depressed) 1 kΩ FSW+ (7) - Body ground G-O - Body ground Brake pedal load sensing switch input Stop light switch OFF (Brake pedal released) 213 Ω STP (27) - Body ground R-W - Body ground Stop light switch input Stop light switch ON (Brake pedal depressed) 8 to 14 V STP (27) - Body ground R-W - Body ground Stop light switch input Stop light switch OFF (Brake pedal released) Below 1.5 V PKB (28) - Body ground Y-R - Body ground Parking brake switch input Engine switch on (IG), parking brake switch ON Below 1 Ω PKB (28) - Body ground Y-R - Body ground Parking brake switch input Engine switch on (IG), parking brake switch OFF 10 kΩ or higher BZ (30) - Body ground Y-B - Body ground Buzzer output Engine switch on (IG), when not buzzer sounding 6 to 10 V +BS (31) - Body ground R - Body ground Solenoid relay power supply Always 10 to 14 V CSW (43) - Body ground R-L - Body ground Traction OFF switch input Traction OFF switch OFF 10 kΩ or higher CSW (43) - Body ground R-L - Body ground Traction OFF switch input Traction OFF switch ON Below 1 Ω IG1 (46) - Body ground B-W - Body ground IG1 power supply Engine switch on (IG) 10 to 14 V
- Disconnect the connector and measure the voltage or resistance on the wire harness side.