Mitsubishi Evolution X. Manual — part 213
AUTO-CRUISE CONTROL
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ENGINE AND EMISSION CONTROL
17-21
STEP 10. Measure the ground voltage at cruise control
switch connector C-201 by backprobing.
(1) Do not disconnect cruise control switch connector C-201.
(2) Turn the ignition switch to the "ON" position.
(3) Press the "ON/OFF" switch.
AC601567AD
C-201 Harness connector:
Harness side
(4) Measure the ground voltage between cruise control switch
connector C-201 terminal number 2 and ground by
backprobing.
(5) Release the "ON/OFF" switch.
(6) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured voltage 0.52 volt or less?
YES : Go to Step 17.
NO : Go to Step 11.
STEP 11. Measure the ground voltage at ECM connector
B-10.
(1) Remove the ECM [Refer to GROUP 13A, Engine Control
Module (ECM)
(2) Connect special tool MB992110 between the ECM and the
body-side harness connector.
(3) Turn the ignition switch to the "ON" position.
(4) Press the "ON/OFF" switch.
AC709269AB
Special tool 48-pin connector:
Component side
(5) Measure the ground voltage between special tool 48-pin
connector terminal number 95 (ECM connector B-10
terminal number 95) and ground.
(6) Release the "ON/OFF" switch.
(7) Turn the ignition switch to the "LOCK" (OFF) position.
(8) Disconnect special tool MB992110 between the ECM and
the body-side harness connector.
(9) Install the ECM [Refer to GROUP 13A, Engine Control
Module (ECM)
Q: Is the measured voltage 0.52 volt or less?
YES : Go to Step 13.
NO : Go to Step 12.
STEP 12. Check ECM connector B-10 for loose, corroded
or damaged terminals, or terminals pushed back in the
connector.
Refer to GROUP 00E, Harness Connector Inspection
Q: Is the connector and terminals in good condition?
YES : Install the cruise control switch (Refer to
Then go to Step 19.
NO : Repair or replace the faulty connector. Install the
cruise control switch (Refer to
). Then go to
Step 21.
AUTO-CRUISE CONTROL
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ENGINE AND EMISSION CONTROL
17-22
STEP 13. 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
Q: Is the connectors and terminals in good condition?
YES : Go to Step 14.
NO : Repair or replace the faulty connector. Install the
cruise control switch (Refer to
). Then go to
Step 21.
STEP 14. Check the harness wire between ECM connector
B-10 terminal number 95 and cruise control switch
connector C-201 terminal number 2 for damage.
Q: Is the harness wires in good condition?
YES : Go to Step 15.
NO : Repair the damaged harness wire. Install the cruise
control switch (Refer to
). Then go to Step 21.
STEP 15. Check the clock spring.
Refer to GROUP 52B, Driver’s Air Bag Module Inspection
.
Q: Is the clock spring in good condition?
YES : Go to Step 16.
NO : Replace the clock spring (Refer to GROUP 52B,
Driver’s Air Bag Module and Clock Spring
). Install the cruise control switch (Refer to
). Then go to Step 21.
STEP 16. 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
).
(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991958 to data reading mode for cruise
control system (Refer to
).
• 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".
AUTO-CRUISE CONTROL
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ENGINE AND EMISSION CONTROL
17-23
• 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".
(4) Turn the ignition switch to the "LOCK" (OFF) position.
(5) Disconnect scan tool MB991958.
Q: Is the switch operating properly?
YES : 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
). Install
the cruise control switch (Refer to
).
NO : Return to Step 2.
STEP 17. Check cruise control switch connector C-201 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Refer to GROUP 00E, Harness Connector Inspection
Q: Is the connector and terminals in good condition?
YES : Go to Step 18.
NO : Repair or replace the faulty connector. Install the
cruise control switch (Refer to
). Then go to
Step 21.
STEP 18. Check the cruise control switch.
(1) Remove the cruise control switch (Refer to
(2) Check the cruise control switch (Refer to
).
Q: Is the resistance within specifications?
YES : Install the cruise control switch (Refer to
Then go to Step 19.
NO : Replace the cruise control switch (Refer to
).
Then go to Step 21.
AUTO-CRUISE CONTROL
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ENGINE AND EMISSION CONTROL
17-24
STEP 19. 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
).
(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991958 to data reading mode for cruise
control system (Refer to
).
• 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".
(4) Turn the ignition switch to the "LOCK" (OFF) position.
(5) Disconnect scan tool MB991958.
Q: Is the switch operating properly?
YES : Go to Step 20.
NO : Replace the ECM [Refer to GROUP 13A, Engine
]. When the ECM is
replaced, register the encrypted code (Refer to
GROUP 42C, Diagnosis
− ID Code Registration
Judgment Table
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