2005 MITSUBISHI LANCER check engine

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Page 23 of 788

MITSUBISHI LANCER 2005  Workshop Manual TROUBLESHOOTING
ENGINE COOLING14-9
STEP 7. Check the harness wire between fusible 
link No.2 and fan control relay connector A-09X 
terminal 4.
Q: Is the harness wire in good condition?
YES : . 
An in

Page 24 of 788

MITSUBISHI LANCER 2005  Workshop Manual TROUBLESHOOTING
ENGINE COOLING14-10
(3) Measure the voltage between fan control relay 
connector A-09X terminal 1 and body earth.
•The voltage should measure system voltage.
(4) Turn the ignition sw

Page 25 of 788

MITSUBISHI LANCER 2005  Workshop Manual TROUBLESHOOTING
ENGINE COOLING14-11
Q: Are there connectors in good condition?
YES : . 
Go to Step 13 .
NO : . Repair or replace the connector. Then go to 
Step 24 .
STEP 13. Check the harness wire be

Page 26 of 788

MITSUBISHI LANCER 2005  Workshop Manual TROUBLESHOOTING
ENGINE COOLING14-12
STEP 15. Check the fan control relay connector 
A-09X.
Q: Is the connector in good condition?
YES : 
Go to Step 16 .
NO : Repair the connector or replace the relay

Page 27 of 788

MITSUBISHI LANCER 2005  Workshop 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  Workshop 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  Workshop 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  Workshop 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
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