5.5 initial diagnostic check: efi - harley-davidson-sweden.se
5.5 initial diagnostic check: efi - harley-davidson-sweden.se
5.5 initial diagnostic check: efi - harley-davidson-sweden.se
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HOME<br />
Test 5.12 (Part 1 of 2)<br />
STARTS, THEN STALLS: DTC U1300, U1301 or<br />
“BUS Er”<br />
Fresh gasoline<br />
in tank?<br />
YES<br />
NO<br />
1<br />
Check for trouble codes using.5.6<br />
SPEEDOMETER SELF DIAG-<br />
NOSTICS. Codes found?<br />
Add gasoline.<br />
YES.<br />
DTC P1009,<br />
P1010 found. See<br />
5.28 DTC P1009,<br />
P1010.<br />
YES.<br />
U1300 or U1301<br />
codes found.<br />
NO.<br />
No codes<br />
found.<br />
YES.<br />
BUS Er pre<strong>se</strong>nt.<br />
speedometer will not<br />
communicate with other<br />
modules.<br />
STOP<br />
Go to Test 5.12<br />
(Part 2 of 2).<br />
Will engine start with throttle<br />
opened partially and stall when<br />
throttle clo<strong>se</strong>d?<br />
STOP<br />
Go to Test 5.12<br />
(Part 2 of 2).<br />
YES.<br />
NO.<br />
See 5.16 IDLE AIR<br />
CONTROL.<br />
Check fuel pressure while<br />
cranking engine. See 5.15<br />
FUEL PRESSURE TEST. Is<br />
fuel pressure OK?<br />
YES<br />
NO<br />
Tap lightly on fuel injectors.<br />
Problem still exist?<br />
Fuel pressure problem. See<br />
flow chart under 5.15 FUEL<br />
PRESSURE TEST.<br />
YES<br />
NO<br />
Replace fuel injectors.<br />
Problem still exist?<br />
System<br />
OK.<br />
YES<br />
Replace ECM.<br />
Reprogram and learn<br />
password.<br />
NO<br />
System<br />
OK.<br />
Clear codes using speedometer <strong>se</strong>lf <strong>diagnostic</strong>s.<br />
See 5.6 SPEEDOMETER SELF DIAGNOSTICS.<br />
Confirm proper operation with no <strong>check</strong> engine<br />
lamp.<br />
5-38 2004 Touring: Engine Management (EFI)
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