Mitsubishi Montero (2002-2004). Manual - part 1051

 

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Mitsubishi Montero (2002-2004). Manual - part 1051

 

 

ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS

TSB Revision

ANTI-LOCK BRAKING SYSTEM (ABS)

35B-75

STEP 5. Check the ground circuit at M-ASTC-ECU 
connector E-120.
(1) Disconnect the M-ASTC-ECU connector E-120, and 

measure at the harness side.

(2) Measure the resistance between terminal 58 and ground. It 

should be less than 2 ohms.

Q: Is there continuity between the terminal number 58 and 

ground?
YES : 
Go to Step 6.
NO :  Replace the M-ASTC-ECU and go to Step 10.

AC203901

AC204627AW

CONNECTOR: E-120

HARNESS CONNECTOR:
COMPONENT SIDE

E-120

ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS

TSB Revision

ANTI-LOCK BRAKING SYSTEM (ABS)

35B-76

STEP 6. Check the harness wire between the M-ASTC-ECU 
connector E-120 terminal 58 and pressure sensor 
connector B-55 terminal 3.
Q: Is the harness wire between the M-ASTC-ECU 

connector E-120 terminal 58 and pressure sensor 
connector B-55 terminal 3 damaged?
YES : 
Replace it and go to Step 10.
NO :  This malfunction is intermittent. Refer to GROUP 00, 

How to Use Troubleshooting/Inspection Service 
Points 

− How to Cope With Intermittent Malfunction 

P.00-6

.

AC203901

AC204627AG

CONNECTOR: E-120

E-120

HARNESS CONNECTOR: 
COMPONENT SIDE

E-120

AC204772AC

B-55(GR)

CONNECTOR: B-55

1

3

2

HARNESS CONNECTOR:
COMPONENT SIDE

ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS

TSB Revision

ANTI-LOCK BRAKING SYSTEM (ABS)

35B-77

STEP 7. Check the pressure sensor connector B-55.
(1) Disconnect the pressure sensor connector B-55, and 

measure at the pressure sensor side.

(2) Turn the ignition switch to the "ON" position.
(3) Measure voltage between terminal 1 and ground.

Standard value: 0.14 

 4.85 V

Q: Is the voltage within the standard value?

YES : Go to Step 8.
NO :  Replace the pressure sensor and go to Step 10.

AC204772

AC204773AD

B-55(GR)

CONNECTOR: B-55

HARNESS CONNECTOR:
HARNESS SIDE

3

2

1

ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS

TSB Revision

ANTI-LOCK BRAKING SYSTEM (ABS)

35B-78

STEP 8. Check the M-ASTC-ECU connector E-120.
(1) Disconnect the M-ASTC-ECU connector E-120, and 

measure at the harness side.

(2) Turn the ignition switch to the "ON" position.
(3) Measure voltage between terminal 59 and ground.

Standard value: 0.14 

 4.85 V

Q: Is the voltage within the standard value?

YES : Replace the M-ASTC-ECU and go to Step 10.
NO :  Go to Step 9.

AC203901

AC204627AX

CONNECTOR: E-120

E-120

ASC-ECU CONNECTOR:
HARNESS SIDE

 

 

 

 

 

 

 

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