IGNITION
Page 2A-13
90-855347R1 JANUARY 1999
DDT Functions – Optimax Models
Software Version 4.0 and 4.1
Select Status:
1 - IGNITION
2 - INJECTOR
3 - PUMP
4 - SENSORS
5 - SWITCHES
6 - MISCELLANEOUS
7 - RPM LIMIT
8 - BREAK-IN
MARINE DIAGNOSTICS
1 - Mariner/Mercury
2 - MerCruiser
3 - Injector Test
4 - Tool Setup
SELECT ECM
1 - 3.0L Ignition ECM
2 - 3.0L Fuel ECM
3 - 824003 Fuel ECM
4 - 2.5L Hi Perf ECM
5 - DFI ECM
6 - 4 Stroke ECM
Select Function:
1 - AUTO SELF TEST
2 - MANUAL TEST
Select Function:
1 - DATA MONITOR
2 - STATUS SWITCHES
3 - SYSTEM INFO
4 - HISTORY
5 - SPECIAL FUNCTIONS
Select Auto Test:
1 - STATIC TEST
2 - RUNNING TEST
ENGINE RPM
TPI 1 VOLTS
TPI 2 VOLTS
BATTERY VOLTS
PWR 1 VOLTS
PWR 2 VOLTS
COOL TMP STB °F
COOL TMP PRT °F
MAP PSI
AIR TMP °
TRIGGER ERR
TIME TO OIL
OIL INJ CNT
TPI %
AIR COM TMP °F
BLOCK PSI
Select Function:
1 - FAULT HISTORY
2 - RUN HISTORY
3 - CLEAR FAULT HIST
4 - CLEAR RUN HIST
Select Function:
1 - OIL PUMP PRIME
2 - CYLINDER MISFIRE
3 - OUTPUT LOAD TEST
4 - RESET BREAK-IN OIL
98 DI
ECM #
CODE
IGN PRI .38-.78 ohm
SEC 8.1-8.9 Kohm
DINJ 1.0-1.6 ohm
FINJ 1.7-1.9 ohm
TPI1 3.7-4.9v IDLE
0.3-1.8v WOT
TPI2 0.1-1.5v IDLE
3.2-4.9v WOT
TPI1 LtBlu/Red IN
TPI2 LtBlu/Wht OUT
TGAP 0.025-.04in
PWR RLY 81-99 ohm
CTS max 220F
ACT max 150-220F
30-8000 ohm 1K@77F
AIR TMP .540-44
BATV 12.6-15.0
MAP 7-15 psi
FUEL 88-90 psi
AIR 77-81 psi
Text Book Data
(specs)
Monitors Engine Functions
While Engine is Running
SWITCH ACTIVE HIST
SHIFT SW ON NA
H2O FUEL NO NO
L OIL NO NO
PUMP ACTIVE HIST
OIL PMP PASS PASS
LIMIT ACTIVE HIST
CTS LIM OFF ON
CTP LIM OFF OFF
ACT LIM OFF OFF
TP1 LIM OFF OFF
TP2 LIM OFF OFF
RPM LIM OFF OFF
OIL LIM OFF ON
BAT LIM OFF OFF
BLK LIM OFF OFF
PWR LIM OFF OFF
STATUS BREAK-IN ENGINE IS IN
BREAK-IN MODE. xxx MINUTES
TO COMPLETION.
STATUS BREAK-IN ENGINE HAS
COMPLETED A FACTORY SCHED-
ULED BREAK-IN.
or
MISC. ACTIVE HIST
BATTERY PASS PASS
PWR RLY PASS PASS
PWR 1 V PASS PASS
PWR 2 V PASS PASS
HORN PASS PASS
LAMP PASS PASS
SENSOR ACTIVE HIST
COOL STB PASS PASS
COOL PRT PASS PASS
MAP PASS PASS
AIR TMP PASS PASS
TPI 1 PASS PASS
TPI 2 PASS PASS
TRIG SIG PASS PASS
COMP TMP PASS PASS
BLOCK PSI PASS PASS
INJECTOR ACTIVE HIST
INJ 1 PASS PASS
INJ 2 PASS PASS
INJ 3 PASS PASS
INJ 4 PASS PASS
INJ 5 PASS PASS
INJ 6 PASS PASS
IGN ACTIVE HIST
IGN 1 PASS PASS
IGN 2 PASS PASS
IGN 3 PASS PASS
IGN 4 PASS PASS
IGN 5 PASS PASS
IGN 6 PASS PASS
Engine Not Running During Test
Engine Running During Test
Select Fault Hist:
1-IGNITION
2-INJECTOR
3-PUMP
4-SENSORS
5-SWITCHES
6-MISCELLANEOUS
RPM 3000-3999 xx
RPM 4000-4999 xx
RPM 5000-5999 xx
RPM 6000+ xx
BREAK IN Min xx
OVER TMP Sec x
RPM LIMIT CNT x
RPM LIMIT SEC x
ACT TEMP SEC x
BLOCK PSI Sec x
CTS TMP Sec x
CTP TMP Sec x
OIL PMP Sec x
ECM RUN TIME xx
RPM 0000-0999 xx
RPM 1000-1499 xx
RPM 1500-2999 xx
1
2
3
4
5
6
7
8
Any fault in Select Status functions 1 thru 7 will turn
on the matching panel light.
*Illuminated panel light 8 Indicates engine is in Break-in.
*Key switch has to be ON for all Tests.
*Engine has to be running for Tests 1,2,3, and 7.
NOTE:Test data is lost when Key Switch is turned off.
Any existing faults from Tests 1 thru 6 are transferred
to Fault History.
1 or 2
1
5
Select Load Test:
1 - IGNITION
2 - FUEL INJECTOR
3 - DIRECT INJECTOR
4 - OIL PUMP
5 - FUEL PUMP
6 - HORN
7 - LAMPS
8 - TACHOMETER
9 - MAIN POWER RELAY
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