1. POWER CIRCUIT 1. POWER CIRCUIT(GCIC QSB7 ENGINE) The negative terminal of battery is grounded to the machine chassis. When the start switch is in the OFF position, the current flows from the positive battery terminal as shown below. GND :
Ground 4-6 1) 2) OPERATING FLOW Battery Battery relay Fusible link [CN-60] Master switch [CS-74] Fuse box [No.1] l/conn[CN-3(7,14,15)] ECM [CN-94 (1,3,5)] Fuse box [No.2] I/conn [CN-5 (46)] I/conn [CN -10 (3)] Room lamp [CL-1 (2)] Radio [CN-27 (8)] Hour meter [CN-48 (1)] Fuse box [No.3] MCU [CN-51 (1)] Fuse box [No.4] Master switch [CS-74B] l/conn [CN-5 (36)] Start switch [CS-2 (1) ECM POWER RELAY [CR-45 (3)] RMS [CN-125A (11)] POWER RELAY [CR-35 (30)] GPS CONN [CN-125 Fuse box [No.5] l/conn [CN-11 (5)] AC & Heater controller (3) Blower relay (3) Fuse box [No.6] I/conn [CN - 5 (18)] I/conn [CN -17 (5)] W i p e r m o t o r c o n t r o l l e r [C Wiper motor [CN-21 (6)] Fuse box [No.7] I/conn [CN - 5 (6)] Cluster [CN -56 (1)] ※ I/conn :
Intermediate connector CHECK POINT Engine Start switch Check point Voltage OFF OFF ① - GND (battery 1EA) ② - GND (battery 2EA) ③ - GND (battery 2EA) ④ - GND (fusible link) 0 V 20~25V 20~25V 20~25V