Mitsubishi Lancer Evolution IX. Manual — part 503
TROUBLESHOOTING
ANTI-SKID BRAKING SYSTEM (ABS)
35B-43
STEP 6. Check the following connectors.
•
Steering wheel sensor connector C-230
•
Joint connector C-06
Check the connectors for loose, corroded or dam-
aged terminals, or terminals pushed back in the con-
nector.
Q: Are the connectors and terminals in good
condition?
YES :
Go to Step 7.
NO :
Repair it and then go to Step 11.
STEP 7. Check the following harness wires.
AC211267AL
Connector: C-230
Harness side
5 4
1
2
3
AC211266BP
Connector: C-06
C-06 (GR)
2
1
3
13
12
14
21
10
5
4
6
16
15
17
7 8 9
19
18
20
11
22
AC211267AL
Connector: C-230
Harness side
5 4
1
2
3
AC211896 AB
Earth
No.3
TROUBLESHOOTING
ANTI-SKID BRAKING SYSTEM (ABS)
35B-44
The wire between steering wheel sensor connector
C-230 (terminal 3) and earth (No.3, No.14)
Q: Is any harness wire damaged?
YES :
Repair or replace it and then go to Step 11.
NO :
Go to Step 11.
STEP 8. Check steering wheel sensor output
voltage.
(1) Connect steering wheel sensor connector C-230.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage, by backprobing, between
terminal 1 and earth, terminal 4 and earth, and
terminal 5 and earth.
OK: The voltage should measure as indi-
cated in the figure.
Q: Is the steering wheel sensor output voltage
normal?
YES :
Go to Step 9.
NO :
Replace the steering wheel sensor (Refer to
). Then go to Step 11.
AC211898AB
Earth
NO.14
AC212249AD
Connector: C-230
Connector C-230
(Harness side)
5 4
1
2
3
AC211894
Time
AB
Voltage
2.7 - 4.4 V
0.8 - 2.1 V
Variations in voltage when turning the
steering wheel
TROUBLESHOOTING
ANTI-SKID BRAKING SYSTEM (ABS)
35B-45
STEP 9. Check the following connectors.
•
Steering wheel sensor connector C-230
•
Intermediate connector C-122
•
ABS-ECU connector B-118
Check the connectors for loose, corroded or dam-
aged terminals, or terminals pushed back in the con-
nector.
Q: Are the connectors and terminals in good
condition?
YES :
Go to Step 10.
NO :
Repair it and then go to Step 11.
STEP 10. Check the following harness wires.
•
If diagnosis code No.81 (ST-1) is set: The wire
between steering wheel sensor connector C-230
(terminal 5) and ABS-ECU connector B-118 (ter-
minal 26)
• If diagnosis code No.82 (ST-2) is set: The wire
between steering wheel sensor connector C-230
(terminal 4) and ABS-ECU connector B-118 (ter-
minal 17)
• If diagnosis code No.83 (ST-N) is set: The wire
between steering wheel sensor connector C-230
(terminal 1) and ABS-ECU connector B-118 (ter-
minal 4)
Q: Is any harness wire damaged?
YES :
Repair or replace it and then go to Step 11.
NO :
Replace the brake modulator hydraulic unit
(integrated with ABS-ECU) (Refer to
). Then go to Step 11.
AC211267AL
Connector: C-230
Harness side
5 4
1
2
3
AC211265 DD
Connector: C-122
C-122 (L)
2
1
3
13
12
14
21
10
5
4
6
16
15
17
7 8 9
19
18
20
11
22
AC211901AD
B-118 (B)
Connector: B-118
28
32
34
12
11
33
30
21
9
10
22
31
7
8
29
20 19
24
2
26
4
5
6
27
18 17
3
25
16 15
1
23
13
14
Harness side
AC211267AL
Connector: C-230
Harness side
5 4
1
2
3
AC211901AD
B-118 (B)
Connector: B-118
28
32
34
12
11
33
30
21
9
10
22
31
7
8
29
20 19
24
2
26
4
5
6
27
18 17
3
25
16 15
1
23
13
14
Harness side
TROUBLESHOOTING
ANTI-SKID BRAKING SYSTEM (ABS)
35B-46
STEP 11. Check whether the diagnosis code is
reset.
Check again if the diagnosis code is set.
(1) Turn the ignition switch to the "ON" position.
(2) Erase the diagnosis code.
(3) Turn the ignition switch to the "LOCK" (OFF)
position.
(4) Turn the ignition switch to the "ON" position.
(5) Check if the diagnosis code is set.
(6) Turn the ignition switch to the "LOCK" (OFF)
position.
Q: Does diagnosis code No.81, 82 and/or 83 reset?
YES :
Return to Step 1.
NO :
The procedure is complete.
AC207179AB
M.U.T.-II
16-PIN
<Using the M.U.T.-II>
AC210056
AC
MB991911
16-PIN
MB991827
MB991824
<Using the M.U.T.-III>
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