Mitsubishi Lancer Evolution X. Manual - part 109

CRUISE CONTROL

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ENGINE AND EMISSION CONTROL

17-23

STEP 19. Check the clock spring.
Refer to GROUP 52B, Driver’s Air Bag Module Inspection 

P.52B-419

.

Q: Is the clock spring in good condition?

YES : Go to Step 24.
NO :  Replace the clock spring (Refer to GROUP 52B, 

Driver’s Air Bag Module and Clock Spring 

P.52B-413

). Then go to Step 26.

STEP 20. Check ECM connector B-10, intermediate 
connector C-130, cruise control switch connector C-201, 
and clock spring connectors C-202 and C-205, for loose, 
corroded or damaged terminals, or terminals pushed back 
in the connector.
Refer to GROUP 00E, Harness Connector Inspection 

P.00E-2

.

Q: Is the connector and terminal in good condition?

YES : Go to Step 21.
NO :  Repair or replace the damaged connector. Then go to 

Step 26.

STEP 21. Check the harness wire between cruise control 
switch connector C-201 terminal number 2 and clock 
spring connector C-202 terminal number 3, and between 
clock spring connector C-205 terminal number 4 and ECM 
connector B-10 terminal number 95, for damage.

• Check harness wire for short circuit and damage.

Q: Is the harness wires in good condition?

YES : Go to Step 22.
NO :  Repair or replace the damaged harness wire. Then go 

to Step 26.

STEP 22. Check the clock spring.
Refer to GROUP 52B, Driver’s Air Bag Module Inspection 

P.52B-419

.

Q: Is the clock spring in good condition?

YES : Go to Step 23.
NO :  Replace the clock spring (Refer to GROUP 52B, 

Driver’s Air Bag Module and Clock Spring 

P.52B-413

.) Then go to Step 26.

STEP 23. Check the cruise control switch.
Refer to 

P.17-67

.

Q: Is the cruise control switch operating properly?

YES : Go to Step 24.
NO :  Replace the cruise control switch (Refer to 

P.17-68

.) 

Then go to Step 26.

CRUISE CONTROL

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ENGINE AND EMISSION CONTROL

17-24

STEP 24. Using scan tool MB991958, check data list item 
75: Cancel switch, item 86: Main switch, item 91: Resume 
switch and item 92: Set switch.
(1) Connect scan tool MB991958 to the data link connector 

(Refer to 

P.17-10

.)

(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991958 to data reading mode for cruise 

control system (Refer to 

P.17-10

.)

• Item 75: Cancel switch.

• When "CANCEL" switch is pressed, the display on 

scan tool MB991958 should be "ON".

• When "CANCEL" switch is released, the display on 

scan tool MB991958 should be "OFF".

• Item 86: Main switch.

• When "ON/OFF" switch is pressed, the display on 

scan tool MB991958 should be "ON".

• When "ON/OFF" switch is pressed again, the display 

on scan tool MB991958 should be "OFF".

• Item 91: Resume switch.

• When "ACC/RES" switch is pressed, the display on 

scan tool MB991958 should be "ON".

• When "ACC/RES" switch is released, the display on 

scan tool MB991958 should be "OFF".

• Item 92: Set switch.

• When "COAST/SET" switch is pressed, the display 

on scan tool MB991958 should be "ON".

• When "COAST/SET" switch is released, the display 

on scan tool MB991958 should be "OFF".

Q: Is the switch operating properly?

YES : Go to Step 25.
NO :  Replace the ECM [Refer to GROUP 13A, Engine 

Control Module (ECM) 

P.13A-888

.] When the ECM is 

replaced, register the encrypted code (Refer to 
GROUP 42C, Diagnosis − ID Code Registration 

Judgment Table 

P.42C-9

.) Then go to Step 26.

CRUISE CONTROL

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ENGINE AND EMISSION CONTROL

17-25

STEP 25. Read the cruise control system DTC.
(1) Disconnect the negative (−) battery terminal, to erase the 

DTC of the cruise control system.

(2) Connect the negative (−) battery terminal.

(3) Turn the ignition switch to the "ON" position, and press the 

"ON/OFF" switch to turn the cruise control system to ON 
(turn on the "CRUISE" indicator light.)

(4) After turning the cruise control system to ON, when 2 

minutes or more has elapsed without operating the cruise 
control switches, read the DTC of the cruise control system 
(Refer to 

P.17-10

.)

Q: Is DTC 15 set?

YES : Replace the ECM [Refer to GROUP 13A, Engine 

Control Module (ECM) 

P.13A-888

.] When the ECM is 

replaced, register the encrypted code (Refer to 
GROUP 42C, Diagnosis − ID Code Registration 

Judgment Table 

P.42C-9

.) Then go to Step 26.

NO :  It can be assumed that this malfunction is intermittent 

(Refer to GROUP 00, How to Use 
Troubleshooting/Inspection Service Points − How to 

Cope with Intermittent Malfunction 

P.00-15

.)

STEP 26. Using scan tool MB991958, check data list item 
75: Cancel switch, item 86: Main switch, item 91: Resume 
switch and item 92: Set switch.
(1) Connect scan tool MB991958 to the data link connector 

(Refer to 

P.17-10

.)

(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991958 to data reading mode for cruise 

control system (Refer to 

P.17-10

.)

• Item 75: Cancel switch.

• When "CANCEL" switch is pressed, the display on 

scan tool MB991958 should be "ON".

• When "CANCEL" switch is released, the display on 

scan tool MB991958 should be "OFF".

• Item 86: Main switch.

• When "ON/OFF" switch is pressed, the display on 

scan tool MB991958 should be "ON".

• When "ON/OFF" switch is pressed again, the display 

on scan tool MB991958 should be "OFF".

• Item 91: Resume switch.

• When "ACC/RES" switch is pressed, the display on 

scan tool MB991958 should be "ON".

• When "ACC/RES" switch is released, the display on 

scan tool MB991958 should be "OFF".

• Item 92: Set switch.

• When "COAST/SET" switch is pressed, the display 

on scan tool MB991958 should be "ON".

• When "COAST/SET" switch is released, the display 

on scan tool MB991958 should be "OFF".

CRUISE CONTROL

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ENGINE AND EMISSION CONTROL

17-26

Q: Is the switch operating properly?

YES : Go to Step 27.
NO :  Return to Step 2.

STEP 27. Read the cruise control system DTC.
(1) Disconnect the negative (−) battery terminal, to erase the 

DTC of the cruise control system.

(2) Connect the negative (−) battery terminal.

(3) Turn the ignition switch to the "ON" position, and press the 

"ON/OFF" switch to turn the cruise control system to ON 
(turn on the "CRUISE" indicator light.)

(4) After turning the cruise control system to ON, when 2 

minutes or more has elapsed without operating the cruise 
control switches, read the DTC of the cruise control system 
(Refer to 

P.17-10

.)

Q: Is DTC 15 set?

YES : Return to Step 1.
NO :  The procedure is complete.