Mitsubishi Montero (2004+). Manual — part 1041
ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS)
35B-7
HOW TO PERFORM ACTUATOR TEST
Required Special Tools:
• MB991958: Scan Tool (MUT-III Sub Assembly)
• MB991824: Vehicle Communication Interface (V.C.I.)
• MB991827: MUT-III USB Cable
• MB991911: MUT-III Main Harness B
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Select "Interactive Diagnosis" from the start-up screen.
4. Select "System select."
5. Choose "ABS" from the "CHASSIS" tab.
6. Select "MITSUBISHI."
7. Select "Actuator Test."
8. Choose an appropriate item and select the "OK" button.
AC307591 AC
MB991911
MB991824
MB991827
AC307591
DATA LINK
CONNECTOR
ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS)
35B-8
DIAGNOSTIC TROUBLE CODE CHART
M1352011300407
Follow the inspection chart that is appropriate for the
diagnostic trouble code.
DIAGNOSTIC
TROUBLE
CODE NO.
INSPECTION ITEM
DIAGNOSTIC CONTENT
REFERENCE PAGE
11
Front right ABS sensor
Open circuit or short circuit
12
Front left ABS sensor
13
Rear right ABS sensor
14
Rear left ABS sensor
16
Battery positive voltage
M-ASTC-ECU power
supply voltage is extremely
low or high
Refer to GROUP 35A, HBB
Trouble Code Diagnosis
17
Active skid control switch
Abnormal output signal
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
21
Front right ABS sensor
22
Front left ABS sensor
23
Rear right ABS sensor
24
Rear left ABS sensor
25
The difference diameter tire
31
Ignition switch (IG2) system
Open circuit
Refer to GROUP 35A, ABS
Trouble Code Diagnosis
33
Stoplight switch system
Open circuit or ON failure
34
CAN communication system
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
35
PCM (engine) system
Abnormal output signal
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
36
Communication line with PCM (engine)
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
37
PCM (A/T) system
Abnormal output signal
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
38
Communication line with PCM (A/T)
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS)
35B-9
41
Front right control solenoid
valve
If there is no response to
the solenoid valve drive
signal corresponding to
each respective item
42
Front left control solenoid valve
43
Rear right control solenoid valve
44
Rear left control solenoid valve
45
Front right select solenoid valve
46
Front left select solenoid valve
47
Active traction control system select solenoid valve
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
48
Active traction control system select solenoid valve
51
Valve relay system
Short circuit or ON failure
52
Valve relay system
Open circuit or OFF failure
53
Pump motor
• Seizure of the pump
motor*
• Abnormality at the
current detection circuit
of the M-ASTC-ECU
Refer to GROUP 35A, HBB
Trouble Code Diagnosis
54
Motor relay
Open circuit, short circuit or
failure of the motor relay
coil
Refer to GROUP 35A, HBB
Trouble Code Diagnosis
55
Pump motor circuit
Pump motor energized
abnormally for long period*
Refer to GROUP 35A, HBB
Trouble Code Diagnosis
56
Pressure switch
Open circuit or short circuit Refer to GROUP 35A, HBB
Trouble Code Diagnosis
57
Accumulator
Accumulator low-pressure
abnormality*
Refer to GROUP 35A, HBB
Trouble Code Diagnosis
58
M-ASTC-ECU (Power supply
drive circuit)
Pump motor drive circuit in
the M-ASTC-ECU
abnormality
Replace the M-ASTC-ECU
(Refer to GROUP 35C,
M-ASTC-ECU
61
Master cylinder pressure sensor system
62
G-sensor system
Open circuit or short circuit Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
63
G-sensor system
Abnormal output signal
64
G-sensor system
G sensor seized
65
G-sensor system
Trouble in self-diagnosis
66
Steering wheel sensor system
Trouble in self-diagnosis
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
67
Steering wheel sensor system
Trouble in communication
line
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
DIAGNOSTIC
TROUBLE
CODE NO.
INSPECTION ITEM
DIAGNOSTIC CONTENT
REFERENCE PAGE
ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS)
35B-10
NOTE: If the trouble marked by * has occurred, the M-ASTC-ECU sounds the buzzer continuously to inform
the trouble of the driver and protects the pump motor by activating the pump motor intermittently.
68
Steering wheel sensor system
Abnormal output signal
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
71
Yaw rate sensor system
Trouble in self-diagnosis
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
72
Yaw rate sensor system
Incorrectly set reference
value
73
Yaw rate sensor system
Abnormal output signal
74
Abnormal communication of the G and yaw rate sensor
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
75
Center differential lock switch
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
76
G-sensor system
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
77
Yaw rate sensor system
78
Incorrect PCM fitted
Refer to GROUP 35C, ABS
Trouble Code Diagnosis
81
G sensor not initialized
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
82
Yaw rate sensor not initialized
83
Steering wheel sensor not initialized
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
84
Transfer switch not initialized
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
85
Master cylinder pressure sensor not initialized
Refer to GROUP 35C, Active
skid control system Trouble
Code Diagnosis
.
DIAGNOSTIC
TROUBLE
CODE NO.
INSPECTION ITEM
DIAGNOSTIC CONTENT
REFERENCE PAGE
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