Content .. 680 681 682 683 ..

Mitsubishi Eclipse. Manual - part 682

AUTO-CRUISE CONTROL

TSB Revision

ENGINE AND EMISSION CONTROL

17-9

AUTO-CRUISE CONTROL SYSTEM DIAGNOSTIC
FUNCTION

M1172004900030

HOW TO CONNECT THE SCAN TOOL (MUT-III).

Required Special Tool:

• MB991958: Scan Tool (MUT-III sub assembly)

• MB991824: Vehicle Communication Interface

• MB991827: MUT-III USB Cable

• MB991911: MUT-III Main Harness B

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. Ensure that the ignition switch is at the "LOCK" (OFF)

position.

2. Start up the personal computer.
3. Connect special tool MB991827 to special tool MB991824

and the personal computer.

4. Connect special tool MB991911 to special tool MB991824.
5. Connect special tool MB991911 to the data link connector.
6. Turn the power switch of special tool MB991824 to the "ON"

position.
NOTE: When special tool MB991824 is energized, special
tool MB991824 indicator light will be illuminated in an green
color.

7. Start the MUT-III system on the personal computer.
NOTE: Disconnecting scan tool MB991958 is the reverse of the
connecting sequence, making sure that the ignition switch is at
the "LOCK" (OFF) position.

HOW TO READ AND ERASE DIAGNOSTIC
TROUBLE CODES

<WHEN USING THE MUT-III>

Required Special Tool:

• MB991958: Scan Tool (MUT-III sub assembly)

• MB991824: Vehicle Communication Interface

• MB991827: MUT-III USB Cable

• MB991911: MUT-III Main Harness B

AC303127

MB991911

16-PIN

MB991827

MB991824

AUTO-CRUISE CONTROL

TSB Revision

ENGINE AND EMISSION CONTROL

17-10

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.

NOTE: If the battery voltage is low, diagnostic trouble codes
will not be set. Check the battery if scan tool MB991958
does not display.

1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Use scan tool MB991958 to read for auto-cruise control

system diagnostic trouble codes.

4. Turn the ignition switch to the "LOCK" (OFF) position and

then back to "ON" again.

5. Use scan tool MB991958 to erase for auto-cruise control

system diagnostic trouble codes.

6. Turn the ignition switch to the "LOCK" (OFF) position.
7. Disconnect scan tool MB991958.

<WHEN USING A AUTO-CRUISE CONTROL INDICATOR
LIGHT>
1. Turn the ignition switch to the "ON" position while holding

the auto-cruise control switch in the "SET" position (down).
Then, within one second, more the auto-cruise control
switch up to the "RES" position.

2. Read a diagnostic trouble code by observing the flash

display pattern of the auto-cruise control indicator light in the
combination meter.

DIAGNOSTIC RESULT DISPLAY METHOD WHEN USING
THE AUTO-CRUISE CONTROL INDICATOR LIGHT

AC303127

MB991911

16-PIN

MB991827

MB991824

ACX01172

AUTO-CRUISE
CONTROL
SWITCH

SET
SWITCH: ON

RESUME
SWITCH: ON

WHEN THE DIAGNOSTIC TROUBLE CODE NO.14 IS
OUTPUT

WHEN NO DIAGNOSTIC TROUBLE
CODE IS OUTPUT

ACX01173

12V

PAUSE
TIME: 3 s

TEN-
DIGIT

DIGIT
DIVISION:
2 s

FIRST DIGIT

0.5 s

1 s

ACX01174 AB

12V

0.5 s

CONTINUOUS ON AND OFF
SIGNALS AT INTERVALS OF 0.5 s

AUTO-CRUISE CONTROL

TSB Revision

ENGINE AND EMISSION CONTROL

17-11

NOTE: Other on-board diagnostic items are also output as volt-
age waveforms corresponding to diagnostic trouble code num-
bers.

<HOW TO ERASE DIAGNOSTIC TROUBLE CODES
WITHOUT THE SCAN TOOL>
1. Turn the ignition switch to the "ON" position while holding

the auto-cruise control switch in the "SET" (down) position.
Then, within one second, more the auto-cruise control
switch up to the "RES" position.

2. Check to make sure the "CRUISE" light on the instrument

panel is flashing.

3. Put the auto-cruise control switch in the "SET" (down)

position. Depress the brake pedal and hold for five seconds
or more. Release the brake pedal, auto-cruise control
switch, then turn the ignition switch to the "LOCK" (OFF)
position. The DTC(s) are now erased.

HOW TO READ DATA LIST

Required Special Tool:

• MB991958: Scan Tool (MUT-III sub assembly)

• MB991824: Vehicle Communication Interface

• MB991827: MUT-III USB Cable

• MB991911: MUT-III Main Harness B

ACX02250

AUTO-CRUISE
CONTROL SWITCH

RESUME SWITCH:
ON

SET SWITCH:
ON

BRAKE PEDAL

ON POSITION

STOPLIGHT SWITCH

AUTO-CRUISE CONTROL

TSB Revision

ENGINE AND EMISSION CONTROL

17-12

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.
2. Turn the ignition switch to the "ON" position.
3. Carry out inspection by means of the data list. If there is an

abnormality, check and repair the chassis harnesses and
components. (Refer to

P.17-84

, Data List Reference Table).

4. Re-check using scan tool MB991958 and check to be sure

that the abnormal input and output have returned to normal
because of the repairs.

5. Erase the diagnostic trouble codes.
6. Turn the ignition switch to the "LOCK" (OFF) position.
7. Disconnect scan tool MB991958.
8. Start the engine again and do a test drive to confirm that the

problem is eliminated.

DIAGNOSTIC TROUBLE CODE CHART

M1172002200176

Check according to the inspection chart that is
appropriate for the diagnostic trouble code.

AC303127

MB991911

16-PIN

MB991827

MB991824

DIAGNOSTIC TROUBLE
CODE NO.

INSPECTION ITEM

REFERENCE PAGE