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TROUBLESHOOTING MULTIPORT FUEL INJECTION (MPI) <4G1> 13B-273 Inspection Procedure 19: Abnormal Rotation of Fan Motor OPERATION • The battery voltage is applied to the cooling fan control relay (LO) coil (terminal No. 1) and cool- • The engine-ECU (terminal No. 95 and No. 96) turns on the switch of the power transistor on the AK402838 M 3 1 2 4 3 1 2 4 1 2 3 4 R 92 93 94 95969798 77 78 79 808182838485868788899091 99 100 107 108 109 110 111112113114115116117118119120121 101102103104105106 71 72 73 74 75 76 B-114 B-127 B-114 B-127 B-114 B-127 6 14 Cooling fan Cooling J/C B-114 Cooling fan Engine-ECU B-127 B-109 B-110 L-R R-W R-L B-112 B-108 3 1 4 2 1 1 R Fusible link 3 40A L B B J/B 2 17 95 96 B-109 B-130 1 3 4 2 3 L-R Ignition switch (IG2) 41 7.5A 1 3 4 2 5 2 A-08 A-20 A-31 AC Wire colour code P: Purple Cooling Fan Control Relay Circuit Main Index Group TOC |