Mitsubishi Lancer Evolution IX. Manual — part 515
![](/vehicles/winoney/wruvea/ger/tri.png)
TROUBLESHOOTING
ANTI-SKID BRAKING SYSTEM (ABS)
35B-91
STEP 7. Check the following connectors.
•
Diagnosis connector C-14
•
Joint connectors C-23, C-101, C-105
• Intermediate connector C-124
•
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 8.
NO :
Repair it and then go to Step 9.
STEP 8. Check the following harness wires.
•
The wire between ABS-ECU connector B-118 (termi-
nal 2) and diagnosis connector C-14 (terminal 7)
• The wire between ABS-ECU connector B-118
(terminal 5) and diagnosis connector C-14 (termi-
nal 1)
Q: Is any harness wire damaged?
YES :
Repair or replace it and then go to Step 9.
NO :
Replace the brake modulator hydraulic unit
(integrated with ABS-ECU) (Refer to
). Then go to Step 9.
STEP 9. Retest the system.
Q: Does the M.U.T.-II/III communicate with the ABS
system?
YES :
The procedure is complete.
NO :
Return to Step 1.
AC100188AG
C-14(B)
Connector: C-14
AC212218 AB
Connectors: C-23, C-101, C-105, C-124
C-101 (L)
C-23 (B)
C-105
C-124
33
22
11
28
17
16
15
14
13
12
25
2324
2627
3
1 2
4 5
21
20
19
18
2930
32
31
7
6
8
10
9
2
1
3
13
12
14
21
10
5
4
6
16
15
17
7 8 9
19
18
20
11
22
2
1
3
13
12
14
21
10
5
4
6
16
15
17
7 8 9
19
18
20
11
22
18
3
16
15
14
1 2
17
4 5
8
20
19
6 7
2122
9 10
25
13
24
23
12
11
Connector C-23
Connector C-101
Connector C-105
Connector C-124
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
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
AC100188AG
C-14(B)
Connector: C-14
![](/vehicles/winoney/wruvea/ger/ogsr.png)
TROUBLESHOOTING
ANTI-SKID BRAKING SYSTEM (ABS)
35B-92
INSPECTION PROCEDURE 3: When the Ignition Key is Turned to the "ON" position (Engine Stopped),
the ABS Warning Lamp does not Illuminate.
OPERATION
• The ABS warning lamp power is supplied from
the ignition switch. The ABS-ECU earths the cir-
cuit to illuminate the lamp.
• The ABS-ECU illuminates the ABS warning lamp
for 3 seconds while running self-check. This lamp
is illuminated for 3 seconds upon start-up or
when the ignition switch is turned to the "ON"
position with engine stopped.
IGNITION
SWITCH (IG1)
COMBINATION
METER
ABS-ECU
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Gray R : Red P : Pink V : Violet
ABS Warning Lamp Circuit
![](/vehicles/winoney/wruvea/ger/eloh.png)
TROUBLESHOOTING
ANTI-SKID BRAKING SYSTEM (ABS)
35B-93
• When the ABS-ECU connector is disconnected,
the circuit is earthed to illuminate the lamp.
• The ABS-ECU controls the continuity to the ABS
warning lamp by turning the power transistor in
the unit "OFF" and "ON," respectively.
COMMENT ON TROUBLE SYMPTOM
The cause may be an open circuit in the ABS warn-
ing lamp power supply circuit, a blown ABS warning
lamp bulb, or a short circuit to earth between the
ABS warning lamp and the ABS-ECU.
PROBABLE CAUSES
The most likely causes for this case are:
• Blown fuse
• Damaged wiring harness or connector
• Burnt out ABS warning lamp bulb
• Malfunction of the brake modulator hydraulic unit
(integrated with ABS-ECU)
DIAGNOSIS
STEP 1. Check the ABS warning lamp circuit at
ABS-ECU connector B-118.
(1) Disconnect ABS-ECU connector B-118.
(2) Turn the ignition switch to the "ON" position.
Q: Does the ABS warning lamp illuminate?
YES :
Replace the brake modulator hydraulic unit
(integrated with ABS-ECU) (Refer to
). Then go to Step 10.
NO :
Go to Step 2.
STEP 2. Check the power supply circuit. Voltage
measurement at combination meter connector
C-01.
(1) Disconnect combination meter connector C-01
and measure at the harness side.
(2) Start the engine.
(3) Measure the voltage between terminal 9 and
earth.
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 5.
NO :
Go to Step 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
AC212218 AC
Connector: C-01
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Connector C-01
(harness side)
![](/vehicles/winoney/wruvea/ger/olo.png)
TROUBLESHOOTING
ANTI-SKID BRAKING SYSTEM (ABS)
35B-94
STEP 3. Check the following connectors.
•
Combination meter connector C-01
•
Junction block connectors C-211, C-214
• Joint connector C-23
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 4.
NO :
Repair it and then go to Step 10.
STEP 4. Check the following harness wire.
The wire between junction block connector C-211
(terminal 6) and combination meter connector C-01
(terminal 9)
Q: Is the harness wire damaged?
YES :
Repair or replace it and then go to Step 10.
NO :
Go to Step 10.
AC212218AE
Connectors: C-01, C-23
C-23 (B)
C-01
2
1
3
13
12
14
21
10
5
4
6
16
15
17
7 8 9
19
18
20
11
22
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Connector C-01
(harness side)
Connector C-23
AC212152AD
Connectors: C-211, C-214
C-211
C-214
Junction block
(Front view)
Connector C-211
(Harness side)
Connector C-214
(Harness side)
4
6 5
3
2
1
21
7
16 15
17
18
20 19
1
2
3
4
5
6
23 22
24
25
28
26
27
9
8
10
11
14
12
13
AC211269
Connector: C-211
AL
Junction block
(Front view)
Harness side
4
6 5
3
2
1
AC211265DF
Connector: C-01
C-01
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Harness side
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