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5.5 initial diagnostic check: efi - harley-davidson-sweden.se

5.5 initial diagnostic check: efi - harley-davidson-sweden.se

HOME COMBUSTION

HOME COMBUSTION ABSENT/INTERMITTENT 5.18 GENERAL s0475x9x Diagnostic Trouble Codes P1353, P1356, P1357, P1358: No Combustion See Figure 5-42. A feedback voltage signal in the secondary ignition circuit detects the presence of combustion each time a cylinder fires on ECM Pin 27. For diagnostic purposes, this signal is only analyzed under load above 2000 rpm where it may be easily measured. Failure to detect combustion at high speed and load means one of following conditions exist. Pin B ● ● Cylinder is truly misfiring. There is a lack of continuity in the ignition coil secondary circuit. Table 5-22. Code Description Figure 5-42. Ignition Coil DTC P1353 P1356 P1357 P1358 DESCRIPTION Front cylinder no combustion Rear cylinder no combustion Intermittent secondary front Intermittent secondary rear b. Using an ohmmeter, touch probes to terminals on each end plug wire. c. Compare resistance values to Table 5-20. Replace cables not meeting specifications. Reinstall and repeat procedure on other spark plug cable. DIAGNOSTICS Diagnostic Notes Table 5-23. Spark Plug Cables LOCATION LENGTH RESISTANCE Front/Rear 20.2 inch (513 mm) 4975-11960 The reference number below correlates with the circled numbers on the Test 5.20 flow charts. 1. Connect BREAKOUT BOX (Part No. HD-43876) between wire harness and ECM. See Section 5.7 BREA- KOUT BOX: EFI. 2. Spark plugs must be correct Harley-Davidson resistor type specified for this model. 3. Use HARNESS CONNECTOR TEST KIT (Part No. HD- 41404), gray pin probes and patch cords. 4. Perform spark plug cable resistance test. a. Remove spark plug cable from spark plug and ignition coil. For best results, use a needle nose pliers for removal/installation on coil. Gently grasp cable as close to terminals as possible. 5-64 2004 Touring: Engine Management (EFI)

HOME f2208h8x [62B] System relay [78A] [78B] Y/GN BE/GY GN/O W/BK I Q C P R 87 87A 30 85 86 System relay Power gnd. Coil R Switch power ECM Inj. R Inj. F Ion sense Power gnd. Coil F Constant power 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 GN/O Y/BE GN/GY W/Y BE/GY W/BK BE/O W/Y GY/BE AB AB AB [84B] [84A] AB [85B] [85A] W/BK BK 15 amp ECM fuse 12 11 10 9 8 7 6 5 4 3 2 1 R 12 11 10 9 8 7 6 5 4 3 2 1 [8B] [8A] Y/GN Y/GN GY/BE Y/BE BE/O W/BK BK BE/GY Y/GN 15 amp IGN fuse W/BK R GY R/BK 15 amp fuel pump fuse DCBA A B C D A B C D [83B] [83A] R 12 11 10 9 8 7 6 5 4 3 2 1 12 11 10 9 8 7 6 5 4 3 2 1 [13A] [13B] BK [33B] [33A] 1 2 3 Ignition switch 1 2 3 Ignition coil O/GY 40 Amp Maxi Fuse [1B] [1A] 1 2 3 1 2 3 [141B] [141A] Battery Fuel pump – + BK BK BK BK 12 11 10 9 8 7 6 5 4 3 2 1 12 11 10 9 8 7 6 5 4 3 2 1 [22A] [22B] Engine stop switch Figure 5-43. Battery Voltage Circuit (FLTR, FLHT/C/U) Table 5-24. Wire Harness Connectors in Figure 5-43. NO. DESCRIPTION TYPE LOCATION [1] Main to Interconnect Harness 12-Place Deutsch (Black) Inner Fairing (Right Fairing Bracket) [8] Main to EFI Harness 12-Place Deutsch (Gray) Under Right Side Cover [22] Right Handlebar Switches 12-Place Deutsch (Black) Inner Fairing (Right Fairing Support Brace) [33] Ignition/Light Key Switch 4-Place Packard Inner Fairing (Top Fork Bracket) [78] ECM 36-Place Packard Under Right Side Cover [83] Ignition Coil 4-Place Packard Below Fuel Tank (Left Side) [84] Front Injector 2-Place Packard Below Fuel Tank (Left Side) [85] Rear Injector 2-Place Packard Below Fuel Tank (Left Side) 2004 Touring: Engine Management (EFI) 5-65

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