Ecu Connector Terminal Identification
- Terminals of ECU
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CONNECTOR TERMINALS REFERENCE CHARTSymbols (Terminal No.) Terminal Description GND2 (1) Motor ground BM(2) Motor relay test input FR+ (3) Front RH wheel speed signal input (+) FL- (4) Front LH wheel speed signal input (-) RR+ (5) Rear RH wheel speed signal input (+) RL- (6) Rear LH wheel speed signal input (-) CANH(11) Can communication line H SP1 (12) Speed signal output D/G (13) Diagnostic tester communication line MRF (14) Fail safe motor relay output MR(15) Motor relay output STPO (16) Stop light relay output FR-(17) Front RH wheel speed signal input (-) FL+ (18) Front LH wheel speed signal input (+) RR-(19) Rear RH wheel speed signal input (-) RL+ (20) Rear LH wheel speed signal input (+) STP2 (21) Stop light relay output TS (24) Sensor check input CANL (25) Can communication line L STP1 (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 RRO (39) Rear RH wheel speed signal output RLO (40) Rear LH wheel speed signal output WFSE(42) WFSE input R+ (45) Power supply for motor relay IG1 (46) IG1 power supply - Terminal Inspection
- Disconnect the connector and measure the voltage on the wire harness side.
HINT:
Voltage cannot be measured with the connector connected to the skid control ECU as the connector is watertight.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CONNECTOR TERMINALS REFERENCE CHARTSymbols (Terminal No.) Wining Color Terminal Description Condition Specified Condition GND2 (1) - Body ground W-B - Body ground Motor ground IG switch OFF Below 1 Ω STP1 (27) - GND(1,32) L-B - W-B Stop light switch input Stop light switch ON (Brake pedal pushed) 8 to 14 V STP1 (27) - GND(1,32) L-B - W-B Stop light switch input Stop light switch OFF (Brake pedal released) Below 1.5 Ω PKB (28) - GND (1,32) V - W-B Parking brake switch input IG switch ON (IG), parking brake switch ON Below 1 Ω PKB (28) - GND (1,32) V - W-B Parking brake switch input IG switch ON (IG), parking brake switch OFF 10 kΩ or higher +BS (31) - GND (1,32) L - W-B Solenoid relay power supply Always 10 to 14 V GND1 (32) - Body ground W-B - Body ground Skid control ECU ground IG switch OFF Below 1 Ω IG1 (46) - GND(1,32) BR - W-B IG1 power supply IG switch ON (IG) 10 to 14 V
- Disconnect the connector and measure the voltage on the wire harness side.