TSRM/MK3 Supra/Wiring Diagrams
Repair ManualWiring Diagrams
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S21/ECT System1 / 4
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ECT SYSTEM — MK3 Supra ECT System wiring diagram, page 1
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21 ECT ECT SYSTEM 15A ECU IG | 20A STOP | 15A RADIO NO.1 | 7.5A GAUGE 1 IG | 11 H | 5 2D H- | -H | -Y | >- | >- 9 7 A STOP LIGHT S/W | 14 1B 3 -H | -B TO STOP LIGHT I G-W 24 | 22 | 23 IG | BK | +B L | B | N © ECT ECU L1 L2 L3 O/D1 IDL S1 S2 SL SP2 GND 4 | 3 | 2 | 17 | 1 | 12 | 11 | 10 | 15 | 18 Y-L | G-B | G-Y | R-L | R-G B | R | H-W | R-Y | R-Y | G-Y 4 B1 | 3 B1 | 2 B1 | 6 B2 B | R | H-W | R-Y 23 | 22 | 21 | 17 L1 | L2 | L3 | ECT E TCCS ECU THROTTLE POSITION SENSOR © TO CRUISE CONTROL COMPUTER 13 D2 Y-L 3 IDL 8 B2 | 5 B2 | 9 B2 | 2 B2 | 11 B2 G-B | G-Y | R-L | R-G | L-T 3 G | 2 G | 1 G | 8 G | 2 T NO.1 NO.2 NO.3 ECT SOLENOID T/M SPEED SENSOR (W/ A.B.S.) (W/O A.B.S.) 9 LW 2 LF 2 E3 >- 2 M | Y B A/T INDICATOR S/M L | 3 | 4 | 1 7 B2 | 1 B2 | 11 B1 T | G | N 20 | 21 | 7 14 3B J/B NO.3 C PATTERN SELECT S/M Y | 2 NORM 4 | A-G PWR 5 | G-O 17 A.B.S. COMPUTER 15 | 1 | 2 | 10 ECT | BRAK | TSEN | BK L-T | B | H-B | Y | BR 5 B2 | 3 T | 12 B2 | 4 B2 | 3 D1 B | H-B | Y | BR 3 T | 1 T | 4 T A/B NO.4 SET BOLT