Mitsubishi Montero Sport (2004+). Manual — part 793
ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS) <RWD>
35B-53
STEP 2. Check harness connectors A-35, C-05 and C-17 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Refer to GROUP 00E, Harness Connector Inspection
Q: Are the connectors and terminals in good condition?
YES : Go to Step 3.
NO : Repair it and then go to Step 7.
AC201944
CONNECTOR : A-35
A-35(B)
A-35 HARNESS
CONNECTOR:
COMPONENT SIDE
AC
1
3
2
4
AC201948
CONNECTOR : C-05
AC
3 2 1
4
5
7 6
8
9
11
12
10
13
14
C-05 HARNESS CONNECTOR:
COMPONENT SIDE
C-05
AC201950
CONNECTOR : C-17
C-17
AB
17
7
15
5
16
6
12 13
10
3
11
14
4
8
1
9
2
ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS) <RWD>
35B-54
STEP 3. Check the harness wire between ABS relay
connector A-35 (terminal No. 3) and combination meter
connector C-05 (terminal No.10).
Q: Is the harness wire between ABS relay connector A-35
(terminal No. 3) and combination meter connector C-05
(terminal No.10) damaged?
YES : Repair it and then go to Step 7.
NO : Replace the combination meter (printed circuit board)
and then go to Step 7.
STEP 4. Check the ABS relay.
(1) Remove the ABS relay.
(2) Check for continuity between terminals 3
− 4 when battery
voltage is applied between terminals 1
− 2.
Q: Is the ABS relay in good condition?
YES : Go to Step 5.
NO : Replace the ABS relay. Then go to Step 7.
AC201944
CONNECTOR : A-35
A-35(B)
A-35 HARNESS
CONNECTOR:
COMPONENT SIDE
AC
1
3
2
4
AC201948
CONNECTOR : C-05
AC
3 2 1
4
5
7 6
8
9
11
12
10
13
14
C-05 HARNESS CONNECTOR:
COMPONENT SIDE
C-05
BATTERY
VOLTAGE
TESTER
CONNECTION
SPECIFIED
CONDITION
Not applied
3
− 4
Less than 2 ohms
• Connect
terminal 2 to the
positive battery
terminal
• Connect
terminal 1 to the
negative battery
terminal
3
− 4
Open circuit
AC004866
ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS) <RWD>
35B-55
STEP 5. Check ABS relay connector A-35 and ABS-ECU
connector A-85 for loose, corroded or damaged terminals,
or terminals pushed back in the connector.
Refer to GROUP 00E, Harness Connector Inspection
Q: Are the connectors and terminals in good condition?
YES : Go to Step 6.
NO : Repair or replace it. Then go to Step 7.
STEP 6. Check the harness wire between ABS relay
connector A-35 (terminal No.1) and ABS-ECU connector
A-85 (terminal No.16).
Q: Is the harness wire between ABS relay connector A-35
(terminal No.1) and ABS-ECU connector A-85 (terminal
No.16) damaged?
YES : Repair it and then go to Step 7.
NO : Replace the hydraulic unit (integrated with ABS-ECU)
and then go to Step 7.
AC201955
A-85(B)
A-35(B)
CONNECTORS :A-35, A-85
AC
A-85 HARNESS CONNECTOR:
COMPONENT SIDE
18
12 11
20 19
10
3 2 1
13
14
22
23
17 16
25 24
15
8 7 6 5 4
21
9
26
A-35 HARNESS CONNECTOR:
COMPONENT SIDE
1
3
2
4
AC201955
A-85(B)
A-35(B)
CONNECTORS :A-35, A-85
AC
A-85 HARNESS CONNECTOR:
COMPONENT SIDE
18
12 11
20 19
10
3 2 1
13
14
22
23
17 16
25 24
15
8 7 6 5 4
21
9
26
A-35 HARNESS CONNECTOR:
COMPONENT SIDE
1
3
2
4
ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS) <RWD>
35B-56
STEP 7. Retest the system.
Q: Does the ABS warning light turn off 3 seconds after
start-up?
YES : The procedure is complete.
NO : Return to Step 1.
INSPECTION PROCEDURE 4: Brake Operation is Abnormal.
.
TECHNICAL DESCRIPTION (COMMENT)
The cause depends on driving and road surface con-
ditions, so diagnosis may be difficult. However, if no
diagnostic trouble code is displayed, carry out the fol-
lowing inspection.
.
TROUBLESHOOTING HINTS
The most likely cause for this condition:
• Malfunction of the hydraulic unit
.
DIAGNOSIS
Check the hydraulic unit.
• Refer to
. If the hydraulic unit is malfunctioning,
replace it. Then check that the malfunction symptom is elim-
inated.
DATA LIST REFERENCE TABLE
M1352011500649
The following items can be read by the scan tool from the ABS-ECU input data.
1. When the system is normal
2. When the ABS-ECU shuts off the ABS operation.
When the diagnostic trouble system stops the ABS-ECU, the scan tool display data will be unreliable.
MUT-III
SCAN TOOL
DISPLAY
ITEM
NO.
INSPECTION ITEM
INSPECTION REQUIREMENT
NORMAL VALUE
BATT.
VOLTAGE
16
ABS-ECU power supply
voltage
Ignition switch power supply
voltage and valve monitor voltage
9
− 16 V
FL SNSR
12
Front left wheel speed
sensor
Drive the vehicle
Vehicle speeds
displayed on the
speedometer and
scan tool are identical.
FR SNSR
11
Front right wheel speed
sensor
RL SNSR
14
Rear left wheel speed
sensor
RR SNSR
13
Rear right wheel speed
sensor
STOPLIGHT
SW
33
Stoplight switch
Depress the brake pedal.
ON
Release the brake pedal.
OFF
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