Mitsubishi MOTORS Lancer 2005, Workshop Manual Supplement

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MPI <4G63>
ï
Troubleshooting
13D-35
INSPECTION CHART FOR TROUBLE SYMPTOMS
Trouble symptom Inspection
procedure
No. Reference page
Communication
with M.U.T.-
II/
Communication with all systems is not possible. 1 13D-39
with M.U.T.
II/
III
is impossi-
ble.
Communication with engine-A/T-ECU only is not possible. 2 13D-39
Engine warning
lamp and
related parts The engine warning lamp does not illuminate right after the
ignition switch is turned to the ON position. 3 13D-40
related parts
The engine warning lamp remains illuminating and never goes
out. 4 13D-40
Starting No initial combustion (starting impossible) 5 13D-41
Initial combustion but no complete combustion
(starting impossible) 6 13D-42
Long time to start (improper starting) 7 13D-43
Idling stability
(Improper idling) Unstable idling (Rough idling, hunting) 8 13D-44
(Improper idling)
Idling speed is high. (Improper idling speed) 9 13D-46
Idling speed is low. (Improper idling speed) 10 13D-46
Idling stability
(Engine stalls) When the engine is cold, it stalls at idling. (Die out) 11 13D-47
(Engine stalls)
When the engine is hot, it stalls at idling. (Die out) 12 13D-48
The engine stalls when starting the car. (Pass out) 13 13D-50
The engine stalls when decelerating. 14 13D-50
Driving Hesitation, sag or stumble 15 13D-51
The feeling of impact or vibration when accelerating 16 13D-52
The feeling of impact or vibration when decelerating 17 13D-52
Poor acceleration 18 13D-53
Surge 19 13D-54
Knocking 20 13D-55
Dieseling 21 13D-55
Too high CO and HC concentration when idling 22 13D-56
Low alternator output voltage (approx. 12.3 V) 23 13D-57
Idling speed is improper when A/C is operating 24 13D-57
Fans (radiator fan, A/C condenser fan) are inoperative 25 13D-58