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1A-237 Engine General Information and Diagnosis: Radiator Cooling Fan Low Speed Control System Check S6JB0B1104091 Wiring Diagram Troubleshooting WARNING !
Keep hands, tools, and clothing away from engine cooling fan to help prevent personal injury. This fan
NOTE • Before performed troubleshooting, be sure to read the “Precautions of ECM Circuit Inspection”. special tool to ECM and/or the ECM connectors referring to “Inspection of ECM and Its Circuits”.
1 3 2 4 5 6 7 8 9 1110 12 13 14 15 16 17 18 19 20 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 33 34 35 36 37 38 39 40 32 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 E23 C37 BLU/BLK BLK RED YEL/GRN RED/YEL BLK BLU BLU BLU/WHT YEL/GRN E23-37 E23-15 E23-23 E23-14 YEL/GRN BLU/RED BLU/YEL RED/BLK 5V C37-26 PPL/YEL GRY/GRN 3 6 5 9 7 8 4 10 2 1 I6JB01110015-02 1. Fuse box No.1 5. Radiator cooling fan relay No.3 9. ECT sensor 2. Ignition switch 6. Radiator cooling fan motor No.1 10. “IG2 SIG” fuse 3. Radiator cooling fan relay No.1 7. Radiator cooling fan motor No.2 4. Radiator cooling fan relay No.2 8. ECM Step Action Yes No 1 Is there DTC(s) of ECT sensor circuit (DTC P0116 / P0117 / Go to corresponding Go to Step 2. 2 Low speed radiator cooling fan control circuit check OFF. 2) Start engine and select “DATA LIST” mode on scan tool. °C (197.6 °F) or higher and A/C switch turns OFF (if equipped with A/ Is radiator cooling fan started at low speed when engine Radiator cooling fan low Perform from Step 2 to |