Terminals Of Ecu
WARNING: This page is about a different car, the 2007 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.
- TERMINALS OF ECU ECU TERMINALS REFERENCE CHART
Symbols (Terminal No.) Terminal Description GND (1) Skid control ECU ground +BM1 (2) Power supply for motor FR+ (3) Front RH wheel speed sensor power supply FL- (4) Front LH wheel speed signal Input RR+ (5) Rear RH wheel speed sensor power supply RL- (6) Rear LH wheel speed signal input STP (7) Stop light switch Input NEO (10) (*1) Skid control ECU ground CANH (11) CAN communication line H SP1 (12) Speed signal output for combination meter D/G (13) Diagnosis tester communication line P/R (14) Shift position indicator P signal Input INFR (15) AUTO LSD indicator light output STPO (16) Stop light operated relay output FR-(17) Front RH wheel speed sensor input FL+ (18) Front LH wheel speed sensor power supply output RR- (19) Rear RH wheel speed sensor input RL+ (20) Rear LH wheel speed sensor power supply output EXI4 (21) (*1) Detection (L4) switch input TS (24) Sensor test terminal (Sensor check switch) input CANL (25) CAN communication line L EXI3 (26) Rear differential lock detection switch input EXI (27) (*1) 4WD switch input PKB (28) Parking brake switch input WA (29) ABS warning light input BZ (30) Buzzer output +BS (31) Power supply for solenoid GND2 (32) Skid control ECU ground HDCW (33) (*2) Downhill assist control operation indicator light output IND (34) SLIP indicator light output VSCW (36) VSC OFF indicator light output LBL (41) Brake fluid level warning switch input WFSE (42) Write flash enable input CSW (43) VSC OFF switch input HDCS (44) (*2) Downhill assist control operation switch input STP2 (45) Stop light switch input IG1 (46) IG1 power supply ECU TERMINALS REFERENCE CHARTSymbols (Terminal No.) Terminal Description IG2 (1) IG2 Power supply +BMC (2) Power supply for motor BRL (3) BRAKE warning light output GND3 (4) Skid control ECU ground (*1):4WD
(*2): with Downhill assist control
- 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 water resistant.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
ECU TERMINALS REFERENCE CHARTSymbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition +BM1 (S1 - 2) - GND (S1-1, 32) B - W-B Power supply for motor From battery Always 10 to 14 V IG1 (S1-46) - GND (S1-1, 32) LG - W-B IG1 power supply IG switch OFF Below 1 V IG1 (S1-46) - GND (S1-1, 32) LG- B-W IG1 power supply IG switch ON 10 to 14 V STP (S1-7) - GND (S1-1, 32) G-W - W-B Stop light switch input Stop light switch OFF (Brake pedal Below 1.5 V STP (S1-7) - GND (S1-1, 32) G-W - W-B Stop light switch input Stop light switch ON (Brake pedal released) 8 to 14 V P/R (S1-14) - GND (S1-1, 32) ((1)) BR-W - W-B Shift position indicator P signal input IG switch ON, shift P position 8 to 14 V P/R (S1-14) - GND (S1-1, 32) ((1)) BR-W - W-B Shift position indicator P signal input IG switch ON, any shift position except P Below 1 V PKB (S1 - 28) - GND (S1-1, 32) G-Y - W-B Parking brake switch input IG switch ON, parking brake switch ON Below 1.5 V PKB (S1 - 28) - GND (S1-1, 32) G-Y - W-B Parking brake switch input IG switch ON, parking brake switch OFF 10 to 14 V +BS (S1-31) - GND (S1-1, 32) R - W-B Power supply for solenoid Form battery Always 10 to 14 V LBL (S1-41) - GND (S1-1, 32) V-W - W-B Brake fluid level warning switch input Brake fluid level min. -5 mm Below 1 Ω LBL (S1-41) - GND (S1-1, 32) V-W - W-B Brake fluid level warning switch input Brake fluid level max. 1.9 to 2.1 Ω STP2 (S1-45) - GND (S1-1, 32) L - W-B Stop light switch input Stop light switch OFF (Brake pedal released) Below 1.5 V STP2 (S1-45) - GND (S1-1, 32) L - W-B Stop light switch Input Stop light switch ON (Brake pedal released) 8 to 14 V IG2 (S2-1) - GND (S2-4) O - W-B IG2 power supply IG switch OFF Below 1 V IG2 (S2-1) - GND (S2-4) O - W-B IG2 power supply IG switch ON 10 to 14 V +BM2 (S2-2) - GND (S2-4) B - W-B Power supply for motor From battery Always 10 to 14 V (1) A/T