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ENGINE MANAGEMENT MODULE (EMM)
DIAGNOSTIC SOFTWARE FUNCTIONS
Ignition Timing
Use the Ignition Timing screen to check a nd
adjust EMM timing. EMM timing must be synchro-
nized to crankshaft position.
Refer to TIMING ADJUSTMENTS on p. 112.
Check timing af ter any of the following proce-
dures:
• Powerhead replacement
• Crankshaft replacement
• Flywheel removal or replacement
• CPS replacement
• EMM replacement
• EMM software replacement
IMPORTANT: Make su re the timing pointer is
set and the outboard reaches operating tempera-
ture before making adjustments.
TPS Calibration
TPS Calibration synchronizes throttle plate ope n-
ing with throttle position sensor voltage.
Refer to TPS CALIBRATION on p. 113.
Perform TPS Calibration after replacing or adjust-
ing any throttle body or throttle linkage parts.
Fuel Injector Servicing
All E-TEC fuel inje ctors use so ftware program-
ming to compensate fo r variat ions in fuel flow .
Each injector a nd it s locat ion on the o utboard is
identified by the EMM. DO NOT inst all an injector
without updating the compensation software.
To inst all a service injector, click th e “ Replace”
button on the Injector Coefficients screen and
select the file for the replacement injector. Refer to
Fuel Injector Service on p. 147.
008572
1. TPS Calibration button 008571
008573
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