Mitsubishi Lancer Evolution X. Manual - part 112

 

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Mitsubishi Lancer Evolution X. Manual - part 112

 

 

CRUISE CONTROL

TSB Revision

ENGINE AND EMISSION CONTROL

17-35

STEP 15. 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 cable.

(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) With the cruise control switches not operated, depress the 

brake pedal for several seconds, and then read the DTC of 
the cruise control system (Refer to 

P.17-10

.)

Q: Is DTC 22 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 16.

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 16. Using scan tool MB991958, check data list item 
74: Brake light switch and item 89: Normally closed brake 
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 74: Brake light switch.

• When the brake pedal is depressed, the display on 

scan tool MB991958 should be "ON."

• When the brake pedal is released, the display on 

scan tool MB991958 should be "OFF."

• Item 89: Normally closed brake switch.

• When the brake pedal is depressed, the display on 

scan tool MB991958 should be "ON."

• When the brake pedal is released, the display on 

scan tool MB991958 should be "OFF."

Q: Is the switch operating properly?

YES : Go to Step 17.
NO :  Return to Step 2.

CRUISE CONTROL

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ENGINE AND EMISSION CONTROL

17-36

STEP 17. 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 cable.

(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) With the cruise control switches not operated, depress the 

brake pedal for several seconds, and then read the DTC of 
the cruise control system (Refer to 

P.17-10

.)

Q: Is DTC 22 set?

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

DTC 23: ECM and Its Related Components

.

DTC SET CONDITIONS

This DTC is set when there is an failure in the ECM 
and its related components.

.

TROUBLESHOOTING HINTS (THE MOST 
LIKELY CAUSES FOR THIS CASE:)

• Malfunction of the MFI system.
• Malfunction of the ECM.

DIAGNOSTIC PROCEDURE

Required Special Tools:

• MB991958: Scan Tool (M.U.T.-III Sub Assembly)

• MB991824: V.C.I.
• MB991827: M.U.T.-III USB Cable
• MB991910: M.U.T.-III Main Harness A

CRUISE CONTROL

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ENGINE AND EMISSION CONTROL

17-37

STEP 1. Using scan tool MB991958, check for MFI system 
DTC.

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 

(Refer to 

P.17-10

.)

(2) Turn the ignition switch to the "ON" position.
(3) Check for MFI system DTC (Refer to GROUP 13A, MFI 

Diagnosis − Diagnostic Function 

P.13A-9

.)

Q: Is any DTC set?

YES : Repair the MFI system (Refer to GROUP 13A, MFI 

Diagnosis − Diagnostic Trouble Code Chart 

P.13A-48

.) Then go to Step 3.

NO :  Go to Step 2.

STEP 2. 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 23 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 3.

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

.)

AC608435

Data link connector

MB991827

MB991824

MB991910

AB

CRUISE CONTROL

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ENGINE AND EMISSION CONTROL

17-38

STEP 3. 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 23 set?

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

SYMPTOM CHART

M1172002301808

Symptom

Inspection 
procedure 
number

Reference page

Communication with 
scan tool is not 
possible

Communication with the ECM only is 
impossible

GROUP 13A, MFI 
Diagnosis, 
Symptom 
Procedures, 
Inspection 
Procedure 1 

P.13A-704

When the brake pedal is depressed, cruise control is not 
cancelled.

1

P.17-39

When the clutch pedal is depressed, cruise control is not 
cancelled <M/T.>

2

P.17-41

When the shift lever is moved to "N" position, cruise control is not 
cancelled <TC-SST.>

3

P.17-44

When the "CANCEL" switch is pressed, cruise control is not 
cancelled.

4

P.17-47

Cruise control cannot be set (No response "COAST/SET" switch 
and "ACC/RES" switch is pressed.)

5

P.17-49

Hunting (repeated acceleration and deceleration) occurs at the 
set vehicle speed.

6

P.17-56

When the "ON/OFF" switch is turned ON, "CRUISE" indicator 
light does not illuminate (However, cruise control system is 
normal.)

7

P.17-58

 

 

 

 

 

 

 

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