Mitsubishi Lancer. Manual - part 246

DOOR MIRROR

EXTERIOR

51-46

DIAGNOSIS PROCEDURE

STEP 1. Verify the operation of each heated door 
mirror.

Q: Which door mirror does not heat?

Door mirror (RH) : 

Go to Step 2.

Door mirror (LH) : 

Go to Step 9.

STEP 2. Connector check: E-11 door mirror 
assembly (RH) connector

AC304817

Connector: E-11

Harness side

AB

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Repair the defective connector.

STEP 3. Check the door mirror assembly (RH).
Check that the heater element of the door mirror 
assembly (RH) is in good condition (Refer to 

P.51-51

).

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Replace the door mirror assembly (RH).

STEP 4. Resistance measurement at the E-11 
door mirror assembly (RH) connector.

AC304817

Connector: E-11

Harness side

AB

(1) Disconnect the connector, and measure at the 

wiring harness side.

AC304821

Connector E-11

(harness side)

AB

(2) Resistance between E-11 door mirror assembly 

connector terminal No.4 and body earth

OK: 2 

Ω or less

Q: Is the check result normal?

YES : 

Go to Step 6.

NO : 

Go to Step 5.

STEP 5. Check the wiring harness between E-11 
door mirror assembly (RH) connector terminal 
No.4 and body earth.

AC304817

Connector: E-11

Harness side

AB

• Check the earth wires for open circuit.

NOTE: 

AC304819

Connector: C-112

AB

Prior to the wiring harness inspection, check interme-
diate connector C-112 <LHD>, C-30 <RHD> and 
repair if necessary.

Q: Is the check result normal?

YES : 

Intermittent malfunction (Refer to GROUP 

00 

− How to Cope with Intermittent 

Malfunction 

P.00-5

).

NO : 

Repair the wiring harness.

DOOR MIRROR

EXTERIOR

51-47

STEP 6. Voltage measurement at the E-11 door 
mirror assembly (RH) connector.
(1) Turn the ignition switch to the ON position.
(2) Rear window defogger switch: ON

AC304817

Connector: E-11

Harness side

AB

(3) Disconnect the connector, and measure at the 

wiring harness side.

AC304826

Connector E-11

(harness side)

AB

(4) Voltage between E-11 door mirror assembly 

connector terminal No.1 and body earth

OK: System voltage

Q: Is the check result normal?

YES : 

Intermittent malfunction (Refer to GROUP 

00 

− How to Cope with Intermittent 

Malfunction 

P.00-5

).

NO : 

Go to Step 7.

STEP 7. Connector check: C-212 junction block 
connector

AC304913

21

7

16 15

17

18

20 19

1

2

3

4

5

6

23 22

24

25

28

26

27

9

8

10

11

14

12

13

Connector: C-212

Harness side

AB

Junction block (Front view)

Q: Is the check result normal?

YES : 

Go to Step 8.

NO : 

Repair the defective connector.

STEP 8. Check the wiring harness between E-11 
door mirror assembly (RH) connector terminal 
No.1 and C-212 junction block connector 
terminal No.3.

AC304817

Connector: E-11

Harness side

AB

AC304913

21

7

16 15

17

18

20 19

1

2

3

4

5

6

23 22

24

25

28

26

27

9

8

10

11

14

12

13

Connector: C-212

Harness side

AB

Junction block (Front view)

• Check the power supply line for open circuit.

NOTE: 

AC304819

Connector: C-112

AB

Prior to the wiring harness inspection, check interme-
diate connector C-112 <LHD>, C-30 <RHD> and 
repair if necessary.

Q: Is the check result normal?

YES : 

Intermittent malfunction (Refer to GROUP 

00 

− How to Cope with Intermittent 

Malfunction 

P.00-5

).

NO : 

Repair the wiring harness.

DOOR MIRROR

EXTERIOR

51-48

STEP 9. Connector check: E-02 door mirror 
assembly (LH) connector

AC304818

Connector: E-02

Harness side

AB

Q: Is the check result normal?

YES : 

Go to Step 10.

NO : 

Repair the defective connector.

STEP 10. Check the door mirror assembly (LH).
Check that the heater element of the door mirror 
assembly (LH) is in good condition (Refer to 

P.51-51

).

Q: Is the check result normal?

YES : 

Go to Step 11.

NO : 

Replace the door mirror assembly (LH).

STEP 11. Resistance measurement at the E-02 
door mirror assembly (LH) connector.

AC304818

Connector: E-02

Harness side

AB

(1) Disconnect the connector, and measure at the 

wiring harness side.

AC304827

Connector E-02

(harness side)

AB

(2) Resistance between E-02 door mirror assembly 

connector terminal No.4 and body earth

OK: 2 

Ω or less

Q: Is the check result normal?

YES : 

Go to Step 14.

NO : 

Go to Step 12.

STEP 12. Check the wiring harness between E-02 
door mirror assembly (LH) connector terminal 
No.4 and body earth.

AC304818

Connector: E-02

Harness side

AB

• Check the earth wires for open circuit.

NOTE: 

AC304820

Connector: C-29

AB

Prior to the wiring harness inspection, check interme-
diate connector C-29 <LHD>, C-113 <RHD> and 
repair if necessary.

Q: Is the check result normal?

YES : 

Intermittent malfunction (Refer to GROUP 

00 

− How to Cope with Intermittent 

Malfunction 

P.00-5

).

NO : 

Repair the wiring harness.

DOOR MIRROR

EXTERIOR

51-49

STEP 13. Connector check: C-212 junction block 
connector

AC304913

21

7

16 15

17

18

20 19

1

2

3

4

5

6

23 22

24

25

28

26

27

9

8

10

11

14

12

13

Connector: C-212

Harness side

AB

Junction block (Front view)

Q: Is the check result normal?

YES : 

Go to Step 14.

NO : 

Repair the defective connector.

STEP 14. Measure the voltage at the E-02 door 
mirror assembly (LH) connector.
(1) Turn the ignition switch to the ON position.
(2) Rear window defogger switch: ON

AC304818

Connector: E-02

Harness side

AB

(3) Disconnect the connector, and measure at the 

wiring harness side.

AC304828

Connector E-02

(harness side)

AB

(4) Voltage between E-02 door mirror assembly 

connector terminal No.1 and body earth

OK: System voltage

Q: Is the check result normal?

YES : 

Intermittent malfunction (Refer to GROUP 

00 

− How to Cope with Intermittent 

Malfunction 

P.00-5

).

NO : 

Go to Step 15.

STEP 15. Check the wiring harness between E-02 
door mirror assembly (LH) connector terminal 
No.1 and C-212 junction block connector 
terminal No.3.

AC304818

Connector: E-02

Harness side

AB

AC304913

21

7

16 15

17

18

20 19

1

2

3

4

5

6

23 22

24

25

28

26

27

9

8

10

11

14

12

13

Connector: C-212

Harness side

AB

Junction block (Front view)

• Check the power supply line for open circuit.

NOTE: 

AC304820

Connector: C-29

AB

Prior to the wiring harness inspection, check interme-
diate connector C-29 <LHD>, C-113 <RHD> and 
repair if necessary.

Q: Is the check result normal?

YES : 

Intermittent malfunction (Refer to GROUP 

00 

− How to Cope with Intermittent 

Malfunction 

P.00-5

).

NO : 

Repair the wiring harness.