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ENGINE MANAGEMENT MODULE (EMM)
DIAGNOSTIC SOFTWARE FUNCTIONS
TPS Calibration
TPS Calibration synchronizes throttle plate open-
ing with throttle position sensor voltage.
Refer to TPS Calibration on p. 114.
Perform TPS Calibration after replacing or adjust-
ing any throttle body or throttle linkage parts.
Idle Speed Control
Use the Idle Adjust function to increa se or
decrease IN GEAR IDLE speed. This adju stment
offsets the basic EMM p rogramming an d will not
set an absolute fixed speed . Af ter the offset is
changed, th e EMM continues to control engine
operation normally. Engine idle speed is not fixed.
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. 146.
1. TPS Calibration button 008581
1. Idle adjustment 008580
008573
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