Function; Troubleshooting O K - TOHATSU TLDI MD 115A SERIES Service Manual

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1. Troubleshooting........................... 9-2
Power Unit ................................. 9-14
State 1 Engine will not start or is
hard to start. ..................... 9-14
Ignition System................................. 9-16
Fuel System .................................... 9-18
Air System....................................... 9-20
State 2 Full throttle engine revolution
speed is low, engine revolution
speed falls off, or engine stalls.
.......................................... 9-22
Ignition System................................. 9-23
Fuel System .................................... 9-24
Lubrication system ........................... 9-25
Cooling System .............................. 9-26
State 3 Engine rotation is unstable or
surging occurs in low speed
range. ................................. 9-27
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Troubleshooting
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2. Self-Diagnosis Function of TLDI ... 9-32
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Ignition System................................. 9-28
Fuel System .................................... 9-29
PTT Unit
State 1 PTT unit will not operate. ...... 9-30
State 2 PTT is not capable of sustaining
outboard motor. .................. 9-31
1) Terms related to self-diagnosis function... 9-32
2) Operation Procedure of Self-Diagnosis
Function .................................... 9-33
3) Warning Indication List • • •
Display for abnormalities during
operation .................................... 9-36
4) Operating Hour Indication List
(Self Diagnosis • Mode 2) ............... 9-38
5) Trouble Indication List
(Self Diagnosis • Mode 3) ............... 9-40
6) Resetting TPS Initial Values ............ 9-44
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