engine MITSUBISHI LANCER 2005 Owner's Manual

MITSUBISHI LANCER 2005 Owner's Manual LANCER 2005 MITSUBISHI MITSUBISHI https://www.carmanualsonline.info/img/19/57321/w960_57321-0.png MITSUBISHI LANCER 2005 Owner's Manual

Page 27 of 788

MITSUBISHI LANCER 2005 Owners Manual TROUBLESHOOTING
ENGINE COOLING14-13
STEP 18. Check the cooling fan motor drive 
control unit connector A-18.
Q: Is the connector in good condition?
YES : 
Go to Step 19 .
NO : Repair or replace the co

Page 28 of 788

MITSUBISHI LANCER 2005 Owners Manual TROUBLESHOOTING
ENGINE COOLING14-14
Q: Are these connectors in good condition?
YES : 
Go to Step 21 .
NO : Repair or replace the connector. Then go to 
Step 24 .
STEP 21. Check the harness wire betwee

Page 29 of 788

MITSUBISHI LANCER 2005 Owners Manual TROUBLESHOOTING
ENGINE COOLING14-15
STEP 22. Check the cooling fan motor drive 
control unit.
(1) Disconnect engine-ECU connector C-123 <M/T> 
or engine-A/T-ECU connector C-122 <A/T>.
(2) Pull out con

Page 30 of 788

MITSUBISHI LANCER 2005 Owners Manual TROUBLESHOOTING
ENGINE COOLING14-16
INSPECTION PROCEDURE 2: Cooling Fan (L.H.) and Cooling Fan (R.H.) <4G1 (Vehicles with A/C)> or 
A/C Condenser Fan <4G6> do not Change Speed or Stop
COOLING FAN (L.H

Page 31 of 788

MITSUBISHI LANCER 2005 Owners Manual TROUBLESHOOTING
ENGINE COOLING14-17
STEP 3. Check the harness wire between fan 
control relay connector A-09X terminal 2 and 
cooling fan motor drive control unit connector 
A-18 terminal 3.
Q: Is the

Page 32 of 788

MITSUBISHI LANCER 2005 Owners Manual TROUBLESHOOTING
ENGINE COOLING14-18
Q: Are these connectors in good condition?
YES : 
Go to Step 5 .
NO : Repair or replace the connector. Then go to 
Step 8 .
STEP 5. Check the harness wire between c

Page 33 of 788

MITSUBISHI LANCER 2005 Owners Manual TROUBLESHOOTING
ENGINE COOLING14-19
STEP 6. Check the cooling fan motor drive 
control unit.
(1) Disconnect engine-ECU connector C-123 <M/T> 
or engine-A/T-ECU connector C-122 <A/T>.
(2) Pull out conn

Page 34 of 788

MITSUBISHI LANCER 2005 Owners Manual TROUBLESHOOTING
ENGINE COOLING14-20
INSPECTION PROCEDURE 3: Cooling Fan (L.H.) does not Operate {When Cooling Fan (R.H.) <4G1> or 
A/C Condenser Fan <4G6> Operate} <Vehicles with A/C>
COOLING FAN (L.H

Page 35 of 788

MITSUBISHI LANCER 2005 Owners Manual TROUBLESHOOTING
ENGINE COOLING14-21
INSPECTION PROCEDURE 4: Cooling Fan (R.H.) <4G1> or A/C Condenser Fan <4G6> does not 
Operate {When Cooling Fan (L.H.) Operate} <Vehicles with A/C>
COOLING FAN (L.H

Page 36 of 788

MITSUBISHI LANCER 2005 Owners Manual ON-VEHICLE SERVICE
ENGINE COOLING14-22
ON-VEHICLE SERVICE
ENGINE COOLANT LEAK CHECKM1141001000300
WARNING
When pressure testing the cooling system, 
slowly release cooling system pressure to 
avoid ge