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TROUBLESHOOTING DIESEL FUEL 13A-532 Inspection Procedure 28: Rear Window Defogger System <Euro5> OPERATION • The battery voltage is applied to the engine-ECU (terminal No. 10) from the rear window defogger FUNCTION • When the rear window defogger is turned ON and the battery voltage is applied to the engine-ECU, PROBABLE CAUSES • Failed rear window defogger system • Open/short circuit or harness damage in rear win- dow defogger relay circuit or loose connector • Failed engine-ECU AKB00332 1 2 3 4 5 6 7 8 9 10 1112 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 43 44 45 46 47 48 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 C-105 Rear window 10 10 *2 *1 11 J/C (8) J/B L-O L-O 10 19 7.5A C-208 L-O B-G Rear Window Defogger Circuit Wire colour code Engine-ECU AB 19 C-53*¹ or NOTE *1: L.H. drive vehicles |