Mitsubishi Montero (2002-2004). Manual - part 1015

 

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Mitsubishi Montero (2002-2004). Manual - part 1015

 

 

HYDRAULIC BRAKE BOOSTER (HBB) DIAGNOSIS

TSB Revision

BASIC BRAKE SYSTEM

35A-85

STEP 4. Check the following harness wire.

• The wire between combination meter connector D-03 (ter-

minal 55) and M-ASTC-ECU connector E-121 (terminal 81)

NOTE: Also check intermediate connector E-111 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the 
connector. If intermediate connector E-111 is damaged, repair 
or replace the damaged component(s) as described in GROUP 
00E, Harness Connector Inspection 

P.00E-2

. If the connector 

has been repaired or replaced, go to Step 9.

Q: Is the harness wire damaged?

YES : Repair it and then go to Step 9.
NO :  Replace the combination meter (Refer to 

GROUP54A, Combination Meter and Vehicle Speed 
Sensor 

P.54A-65

.) and then go to Step 9.

AC204690 AC

CONNECTOR: D-03

D-03 (GR)

HARNESS CONNECTOR: 
COMPONENT SIDE

D-03

AC203901

AC204627AR

CONNECTOR: E-121

E-121

E-121

HARNESS CONNECTOR: COMPONE

AC204548AK

CONNECTOR: E-111

E-111

HYDRAULIC BRAKE BOOSTER (HBB) DIAGNOSIS

TSB Revision

BASIC BRAKE SYSTEM

35A-86

STEP 5. Check the combination meter power supply circuit 
at combination meter harness connector D-03.
(1) Disconnect combination meter connector D-03, and 

measure at the harness connector (component side).

(2) Turn the ignition switch to the "ON" position.

(3) Measure the voltage between terminal 62 and ground. The 

voltage should measure approximately 12 volts (battery 
positive voltage.)

Q: Is battery positive voltage (approximately 12 volts) 

present?
YES : 
Replace the combination meter (Refer to 

GROUP54A, Combination Meter and Vehicle Speed 
Sensor 

P.54A-65

) and then go to Step 9.

NO :  Go to Step 6.

STEP 6. Check the following connector.

• Combination meter connector D-03

Check connector for loose, corroded or damaged terminals, or 
terminals pushed back in the connector.
Q: Are the connector and terminals in good condition?

YES : Go to Step 7.
NO :  Repair the faulty connector or terminal and then go to 

Step 9.

AC204690 AB

COMBINATION METER 
CONNECTOR

D-03

CONNECTOR: D-03

D-03 (GR)

AC205296

61

62

63

64

65

66

57

58

59

60

51

52

53

54

55

56

67

AB

HARNESS CONNECTOR: 
COMPONENT SIDE

D-03
(GR)

AC204690 AB

COMBINATION METER 
CONNECTOR

D-03

CONNECTOR: D-03

D-03 (GR)

HYDRAULIC BRAKE BOOSTER (HBB) DIAGNOSIS

TSB Revision

BASIC BRAKE SYSTEM

35A-87

STEP 7. Check the following harness wire.

• The wire between junction block connector D-208 (terminal 

2) and combination meter connector D-03 (terminal 62)

NOTE: Also check intermediate connector D-210 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the 
connector. If intermediate connector D-210 is damaged, repair 
or replace the damaged component(s) as described in GROUP 
00E, Harness Connector Inspection 

P.00E-2

. If the connector 

has been repaired or replaced, go to Step 9.

AC204624 AC

CONNECTOR: D-208

D-208

JUNCTION BLOCK
(FRONT VIEW)

D-208 JUNCTION BLOCK
CONNECTOR

AC204690 AC

CONNECTOR: D-03

D-03 (GR)

HARNESS CONNECTOR: 
COMPONENT SIDE

D-03

HYDRAULIC BRAKE BOOSTER (HBB) DIAGNOSIS

TSB Revision

BASIC BRAKE SYSTEM

35A-88

Q: Is the harness wire damaged?

YES : Repair it and then go to Step 8.
NO :  Go to Step 9.

AC204624 AE

CONNECTOR: D-210

D-210

JUNCTION BLOCK
(FRONT VIEW)

HARNESS CONNECTOR: 
COMPONENT SIDE

D-210

 

 

 

 

 

 

 

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