E1-6 INTRODUCTION Chapter 3 SYSTEM CIRCUITS (1) SYSTEM CIRCUITS A system circuit consists of a power source circuit diagram and respective system circuit diagrams. A power source circuit diagram shows the connections from the power source to fuses. A system diagram shows the connections from fuses to ground points of each system. ENGINE CONTROL (4Y-E) E3-12 a b LG-R c d R-W e f g h i j k l m W-B n B-Y LG O R-L R-L R-L * 3: WITH GASOLINE INDICATOR LAMP R-L 1 R-L * 2: LPG * 1: GASOLINE (LPG) R-W * 4:
CNG 12 B 10 B R-L 12 4 R-L R-W *1 LPG CHANGE SWITCH T 6 R-W *1 2 A 7 A 6 B 5 B 1 A 8 A R-W R-W AC3 4 AC3 3 TC2 2 TC2 1 R-W A 65(A),G 73(B) JUNCTION CONNECTOR (A) 6 3 GAS LPG 4 R-B R-B R-B R-B IG *3 (GASOLINE) R-B R-B R-B *2 R-B *1 GK2 7 7 GK1 *2 *4 Y-B *2 *1 *4 1 B *4 1 A *2 2 A *2 2 B *4 6 6 *2 *4 A 65(A),G 73(B) JUNCTION CONNECTOR (A) 2 B 1 B Y OIL PRESSURE SWITCH (*2) OIL PRESSURE SWITCH (*1) K 5(B) Y L-B B-Y K 1(A) R-W *2 GK1 8 *2 *2 *2 GK1 2 GG 2 1 *1 Y *1 Y LPG SOLENOID (MAIN) 1 2 W-B W-B A 6 Y R-L *3 R-B L-B *1 R-L 7 6 *1 R-L 5 4 ) 3 (GASOLINE R-L 2 *1 *2 GK1 GK2 L-B 15A EFI AT)