Mitsubishi Montero (2002-2004). Manual — part 1049
ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS)
35B-67
STEP 6. Check the harness wire between HBB connector
B-17 terminal 3 and M-ASTC-ECU connector E-120
terminal 55.
NOTE: After inspecting HBB connector B-17, inspect the wire.
If HBB connector B-17 is damaged, repair or replace it. Refer to
GROUP 00E, Harness Connector Inspection
. If the
connector has been repaired or replaced, go to Step 10.
Q: Is the harness wire between HBB connector B-17
terminal 3 and M-ASTC-ECU connector E-120 terminal
55 damaged?
YES : Repair it and then go to Step 10.
NO : Go to Step 7.
AC204629 AE
CONNECTOR: B-17
B-17 (GR)
HARNESS CONNECTOR:
COMPONENT SIDE
1
2
3
4
5
6
7
8
B-17
AC203901
AC204627AG
CONNECTOR: E-120
E-120
HARNESS CONNECTOR:
COMPONENT SIDE
E-120
ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS)
35B-68
STEP 7. Check the harness wire between fusible link
number 31 and valve relay connector B-21X terminal 5.
NOTE: After inspecting valve relay connector B-21X, inspect
the wire. If valve relay connector B-21X is damaged, repair or
replace it. Refer to GROUP 00E, Harness Connector Inspec-
tion
.
Q: Is the harness wire between fusible link number 31 and
valve relay connector B-21X terminal 5 damaged?
YES : Repair it and then go to Step 10.
NO : Go to Step 8.
ACX01501AF
FUSIBLE LINK
No.31
BATTERY
FUSIBLE LINK No.31
AC204706
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
5
B-21X
CONNECTOR: B-21X
AB
RELAY BOX CONNECTOR
ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS)
35B-69
STEP 8. Check the harness wire between valve relay
connector B-21X terminal 2 and HBB connector B-18
terminal 34.
NOTE: After inspecting HBB connector B-18, inspect the wire.
If HBB connector B-18 is damaged, repair or replace it. Refer to
GROUP 00E, Harness Connector Inspection
. If the
connector has been repaired or replaced, go to Step 10.
Q: Is the harness wire between valve relay connector B-
21X terminal 2 and HBB connector B-18 terminal 34
damaged?
YES : Repair it and then go to Step 10.
NO : Go to Step 9.
AC204626 AB
CONNECTOR: B-18
B-18 (B)
HARNESS CONNECTOR :
COMPONENT SIDE
34
32
31
33
35
B-18
AC204706
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
5
B-21X
CONNECTOR: B-21X
AB
RELAY BOX CONNECTOR
ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS)
35B-70
STEP 9. Check the HBB.
(1) Disconnect HBB connector B-17 and B-18, and measure at
the HBB side.
(2) Check for continuity between HBB connector B-17
terminals 3 and HBB connector B-18 terminal 34. It should
be continuity (approximately 33
Ω).
Q: Is there continuity between HBB connector B-17
terminal 3 and HBB connector B-18 terminal 34?
YES : Replace the M-ASTC-ECU and then go to Step 10.
NO : Replace the HBB master cylinder and hydraulic unit
assembly. Then go to Step 10.
STEP 10. Recheck for diagnostic trouble code.
Q: Does DTC 52 reset?
YES : Go to Step 1.
NO : The procedure is complete.
AC205740AB
CONNECTORS: B-17, B-18
B-17 (GR)
B-18 (B)
B-17
B-18
HBB CONNECTORS
HBB CONNECTORS
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