Mitsubishi Lancer Evolution IX. Manual - part 513

TROUBLESHOOTING

ANTI-SKID BRAKING SYSTEM (ABS)

35B-83

INSPECTION PROCEDURE FOR 
TROUBLE SYMPTOMS <L.H. drive 
vehicle>

INSPECTION PROCEDURE 1: Communication between the M.U.T.-II/III and all the Systems is Not 
Possible.

OPERATION

A battery positive voltage is applied on the diagnosis 
connector power terminal (terminal 16). The earth 
terminals (terminal 4, 5) are earthed to the vehicle 
body.

COMMENT ON TROUBLE SYMPTOM

The cause is probably a defect in power supply cir-
cuit or the earth circuit.

PROBABLE CAUSES

The most likely causes for this case are:

• Malfunction of the diagnosis connector

• Damaged wiring harness or connector

FUSIBLE
LINK

1

DIAGNOSIS
CONNECTOR

FRONT SIDE

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

Diagnosis Connector Power Supply and Earth  Circuit

TROUBLESHOOTING

ANTI-SKID BRAKING SYSTEM (ABS)

35B-84

DIAGNOSIS

STEP 1. Check the power supply circuit. Voltage 
measurement at diagnosis connector C-14.

Measure the voltage between terminal 16 and earth.

OK: System voltage

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Go to Step 2.

STEP 2. Check the following connectors.

•

Diagnosis connector C-14

•

Junction block connectors C-212, C-214

•

Intermediate connector C-126
Check the connectors for loose, corroded or dam-
aged terminals, or terminals pushed back in the con-
nector.

AC212151AB

Diagnosis connector

C-14(B)

Connector: C-14

AC100188AG

C-14(B)

Connector: C-14

AC212152 AB

Connectors: C-212, C-214

C-212 (B)

C-214

Connector C-212
(harness side)

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

1

Connector C-214
(harness side)

AC211265DG

Connector: C-126

C-126

1

2

3

Harness side

TROUBLESHOOTING

ANTI-SKID BRAKING SYSTEM (ABS)

35B-85

Q: Are the connectors and terminals in good 

condition?
YES : 

Go to Step 3.

NO : 

Repair it and then go to Step 7.

STEP 3. Check the following harness wire.

The wire between diagnosis connector C-14 (termi-
nal 16) and junction block connector C-212 (terminal 
1)

Q: Is the harness wire damaged?

YES : 

Repair or replace it and then go to Step 7.

NO : 

Go to Step 7.

STEP 4. Check the earth circuit. Resistance 
measuremen at diagnosis connector C-14.

Measure the resistance between terminal 4 and 
earth, and terminal 5 and earth.

OK: 2 ohms or less

Q: Is the resistance 2 ohms or less? 

YES : 

Replace the M.U.T.-II and then go to Step 7.

NO : 

Go to Step 5.

STEP 5. Check the following connector.

•

Diagnosis connector C-14
Check the connector, for loose, corroded or dam-
aged terminals, or terminals pushed back in the con-
nector.

Q: Are the connector and terminals in good 

condition?
YES : 

Go to Step 6.

NO : 

Repair it and then go to Step 7.

AC100188AG

C-14(B)

Connector: C-14

AC211269

Connector: C-212

C-212 (B)

BR

Harness side

1

AC212151AC

Diagnosis connector

C-14(B)

Connector: C-14

AC100188AG

C-14(B)

Connector: C-14

TROUBLESHOOTING

ANTI-SKID BRAKING SYSTEM (ABS)

35B-86

STEP 6. Check the following harness wires.

•

The wire between diagnosis connector C-14 (termi-

nal 4) and earth (No.7)

• The wire between diagnosis connector C-14 (ter-

minal 5) and earth (No.7)

Q: Is any harness wire damaged?

YES : 

Repair or replace it and then go to Step 7.

NO : 

Go to Step 7.

STEP 7. Retest the system.

Q: Does the M.U.T.-II/III communicate with the whole 

system?
YES : 

The procedure is complete.

NO : 

Return to Step 1.

AC100188AG

C-14(B)

Connector: C-14

AC211897AC

Earth

No.7