Mitsubishi Grandis. Manual - part 225

 

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Mitsubishi Grandis. Manual - part 225

 

 

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-362

NOTE: 

Prior to the wiring harness inspection, check 
intermediate connector C-15 <RH drive vehicles>, 
C-16 <LH drive vehicles>, G-21 <LH drive vehicles> 
and junction block connector C-201, and repair if 
necessary.

• Check the output lines for open circuit.

Q: Is the check result normal?

YES : 

Go to Step 14.

NO : 

Repair the wiring harness.

Step 14. Connector check: C-221 ETACS-ECU 
connector

Q: Is the check result normal?

YES : 

Go to Step 15.

NO : 

Repair the defective connector.

AC310615

AD

Connector: C-15 <LHD>

AC310631 AD

Connector: C-16 <RHD>

AC310220

Connector: G-21 <LHD>

AC

AC310626

Connector: C-221

Junction block (Rear view)

<LHD>

AC

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

Harness side

C-221(GR)

AC310620

Connector: C-221

Junction block 
(Rear view)

<RHD>

AC

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

Harness side

C-221(GR)

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-363

Step 15. Check the wiring harness between C-213 
rear fog lamp relay connector terminal No.2 and 
C-221 ETACS-ECU connector terminal No.74.

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-364

NOTE: Prior to the wiring harness inspection, check 
junction block connector C-201, and repair if 
necessary.

• Check the output lines for open circuit.

Q: Is the check result normal?

YES : 

Go to Step 16.

NO : 

Repair the wiring harness.

Step 16. Retest the system.

Check that the rear fog lamps illuminate normally.

Q: Is the check result normal?

YES : 

The trouble can be an intermittent 

malfunction (Refer to GROUP 00 

− How to 

Cope with Intermittent Malfunction 

P.00-5

).

NO : 

Replace the ETACS-ECU.

AC310624

Connectors: C-201, C-213 <LHD>

AR

Junction block (Front view)

C-213

Harness side

C-201

C-201

Junction block side

C-213

AC310619

Connectors: C-201, C-213 <RHD>

AR

Junction block (Front view)

C-213

Harness side

C-201

C-201

Junction block side

C-213

AC310626

Connector: C-221

Junction block (Rear view)

<LHD>

AC

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

Harness side

C-221(GR)

AC310620

Connector: C-221

Junction block 
(Rear view)

<RHD>

AC

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

Harness side

C-221(GR)

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-365

Inspection Procedure O-3: Any of the front fog lamps does not illuminate.

CAUTION

Whenever the ECU is replaced, ensure that the 
input and output signal circuits are normal.

COMMENTS ON TROUBLE SYMPTOM

If any of the front fog lamps do not illuminate, the 
wiring harness connector(s), the bulb or the fuse may 
be defective or burned out.

POSSIBLE CAUSES

• Burned-out front fog lamp bulb

• Damaged harness wires and connectors

Wire colour code
B : Black     LG : Light green     G : Green     L : Blue     W : White     Y : Yellow     SB : Sky blue
BR : Brown     O : Orange     GR : Gray     R : Red     P : Pink     V : Violet   

RELAY
BOX

FRONT FOG
LAMP RELAY

FRONT-ECU

FRONT
FOG LAMP
(LH)

FRONT
FOG LAMP
(RH)

FUSIBLE
LINK

26

Front Fog Lamp Circuit

 

 

 

 

 

 

 

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