Page 159 - 2006 HARLEY FLSTCI SERVICE MANUAL

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“BUS Er” with the ignition key turned ON (engine stop switch at RUN with the engine off), check data bus for an open or short to ground. between data link connector [91A] terminal 3 and ICM connector [10B] terminal 12 (carbureted models), ECM connector [78B] terminal 5 (EFI models), TSSM connec- tor [30B] terminal 3 or speedometer connector [39B] ter- Check for an open diagnostic test terminal between data link connector [91A] terminal 3 and TSM/TSSM connec- tor [30B] terminal 3. With ignition key turned ON, serial data bus voltage should be typically 0.6-0.8 volts. The range of acceptable vol

INITIAL DIAGNOSTICS Diagnostic Tips If Speedometer reads ● minal 2. ● than 7.0 volts. ● charts. Diagnostic Notes The reference numbers below correlate with the circled num- bers on the diagnostic check flow charts. See page 4-10. Compare engine behavior to symptoms tables. 1. Starts hard. Refer to Table 4-2. a. b. gish performance. Refer to Table 4-3. c. Refer to Table 4-4. 2. (Part No. HD-46601). See SPEEDOMETER. All ICM diagnostic codes are listed in Table 4-5. Other Diagnostic Trouble Codes (DTCs) See 3.9 INITIAL DIAGNOSTIC CHECK: TSM/TSSM for any codes related to the turn signal

INITIAL DIAGNOSTIC CHECK: ICM

GENERAL To locate faulty circuits or other system problems, follow the diagnostic flow charts in this section. For a systematic approach, always begin with INITIAL DIAGNOSTICS which follows. Read the general information and then work your way through the flow chart box by box. Diagnostic Notes If a numbered circle appears adjacent to a flow chart box, then more information is offered in the diagnostic notes. Many diagnostic notes contain supplemental information, descrip- tions of various diagnostic tools or references to other parts of the manual where information on the location and removal of component

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