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

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Test 5.16 (Part 1 of 2)
IDLE AIR CONTROL: DTC P0505
Remove air cleaner cover
and element. Is throttle
valve completely closed?
YES
Lubricate and adjust
throttle cables.
1
NO
Monitor IAC pintle for 10 seconds after turning
ignition OFF. Does pintle extend and then retract
during 10 second key OFF reset procedure?
YES
NO
Check intake manifold for leaks. See
5.9 INTAKE LEAK TEST. Leaks
found?
Disconnect IAC and connect test lamp.
See Figure 5-36.
Turn ignition switch to IGNITION for 2 seconds,
and then OFF for 10 seconds.
YES
NO
2
Check test lamp during key ON/OFF cycle.
Repair intake
leak.
Check fuel pressure.
See Section 5.15 FUEL
PRESSURE TEST.
Problem
indicated.
Normal
behavior.
Remove test lamp.
Connect Breakout Box to Connector [78B]
leaving ECM disconnected. Check Terminal 31
for 12 volts. Battery voltage present?
Repair faulty IAC
connection or IAC assembly.
YES
NO
Using DVOM, measure resistance
between IAC connector [87B]
and Breakout Box.
Go to Test 5.13.
No ECM Power.
IAC WIRE COLOR ECM
A BE/GN to 35
B BN/R to 36
3
C BK/PK to 18
D BK/O to 17
4
Does each wire measure 0.5 ohms or less?
YES
NO
4
Turn ignition ON. With ECM still
disconnected, check voltage on all
four sockets of Connector [87B].
Is voltage present?
Repair poor connection
at Connectors [87B] or
[78B], or repair open
wire in harness.
YES
NO
Clear codes using speedometer self diagnostics.
See 5.6 SPEEDOMETER SELF DIAGNOSTICS.
Confirm proper operation with no check engine
lamp.
Locate and repair
short to voltage.
STOP
Go to Test 5.16
(Part 2 of 2).
2004 Touring: Engine Management (EFI) 5-57