Section 12 ELECTRICAL SYSTEM
Subsection 01 (IGNITION SYSTEM)
9) Press any key to continue. Programmer will go
back one level to Adjustment.
10)Press Menu to go back one level to Diagnosis.
11)Press Menu to go back one level to Bosch
system.
12)Programmer now ask Quit Bosch Diagnosis?
Choose yes to quit.
Press 2 to choose Start Vehicle, the program-
mer will then ask Modify Max RPM, press menu
then start engine with start/stop button.
NOTE: If engine fail to start and as soon en-
gine stops revving (start/stop button has been
released), Fixed Timing function is disabled. To
reactivate function, repeat complete procedure.
Timing Verification
With engine running, check timing.
CAUTION: If engine is to be run more than a
few seconds, engine must be cooled using the
flush kit.
If timing is correct stop engine. This will automat-
ically disable Fixed Timing function.
If further adjustment is required refer to following
procedure.
Timing Adjustment
Unlike the other models, the ignition timing cor-
rection can be made from 4.5° (advanced) to
-2.25° (retarded).
VCK (Vehicle Communication Kit)
The VCK will display directly the timing correction
under “Offset angle”. See illustration below.
F17H08A
1
2
3
4 5
1. “Setting” tab
2. Ignition offset section
3. “Locked” box
4. Current angle in MPEM
5. Arrows to change the angle
MPEM Programmer
The MPEM programmer will display correction
numbers from 1 to 8. Refer to the next TIMING
CORRECTION CHART.
Access the BOSCH SYSTEM in the MPEM pro-
grammer, then select ADJUSTMENT in the sub-
menu.
Choose IGNITION in the ADJUSTMENT menu.
The screen will display the actual ignition timing
correction in degrees and it will also offer to adjust
it.
Refer to the following chart to find the number
corresponding to the timing correction needed.
Choose the Fixed Timing function, start the en-
gine and verify the timing again. Repeat the above
procedure if the timing is still incorrect.
smr2004-Complete Line Up 551
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