Mitsubishi Eclipse / Eclipse Spyder (2000-2002). Service and repair manual — part 381
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AUTO-CRUISE CONTROL
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ENGINE AND EMISSION CONTROL
17-43
STEP 7. Check the harness wire between auto-cruise
control-ECU connector C-20 and ground.
Q: Is any harness wire between auto-cruise control-ECU
connector C-20 and ground damaged?
YES : Repair the harness wire and then check that the
malfunction is eliminated.
NO : Check that the malfunction is eliminated.
If the malfunction is eliminated, replace the auto-
cruise control-ECU. (Refer to
.)
Then check that the malfunction is eliminated.
STEP 8. Check the output circuit voltage at data link
connector C-29.
(1) Turn the ignition switch to "ON" position.
(2) Measure the voltage between terminal 13 and ground.
(3) Turn the ignition switch to "LOCK" (OFF) position.
Q: Is the voltage approximately 4 volts or more?
YES : Check that the malfunction is eliminated.
If the malfunction is eliminated, replace the auto-
cruise control-ECU. (Refer to
.)
Then check that the malfunction is eliminated.
NO : Go to Step 9.
STEP 9. Check data link connector C-29.
Q: Is the connector damaged?
YES : Repair or replace connector.
Refer to GROUP 00E, Harness Connector Inspection
.
Then check that the malfunction is eliminated.
NO : Go to Step 10.
AC001451
CONNECTOR: C-20
AB
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
ACX01921AE
DATA LINK
CONNECTOR: C-29
AC003599 AC
CONNECTOR: C-29
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AUTO-CRUISE CONTROL
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ENGINE AND EMISSION CONTROL
17-44
STEP10. Check the output circuit voltage at auto-cruise
control-ECU connector C-20 by backprobing.
(1) Do not disconnect auto-cruise control switch connector C-
20.
(2) Turn the ignition switch to "ON" position.
(3) Measure the voltage between terminal 11 and ground by
backprobing.
(4) Turn the ignition switch to "LOCK" (OFF) position.
Q: Is the voltage approximately 4 volts or more?
YES : Go to Step 11.
NO : Go to Step 12.
STEP 11. Check the harness wire between auto-cruise
control-ECU connector C-20 and data link connector C-29.
Q: Is any harness wire between auto-cruise control-ECU
connector C-20 and data link connector C-29 damaged?
YES : Repair the harness wire and then check that the
malfunction is eliminated.
NO : Check that the malfunction is eliminated.
If the malfunction is eliminated, replace the auto-
cruise control-ECU. (Refer to
.)
Then check that the malfunction is eliminated.
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
ACX01904
C-20 CONNECTOR
HARNESS SIDE VIEW
AE
AC001451
CONNECTOR: C-20
AB
AC003599 AC
CONNECTOR: C-29
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AUTO-CRUISE CONTROL
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ENGINE AND EMISSION CONTROL
17-45
STEP 12. Check auto-cruise control-ECU connector C-20.
Q: Is the connector damaged?
YES : Repair or replace connector.
Refer to GROUP 00E, Harness Connector Inspection
.
Then check that the malfunction is eliminated.
NO : Check that the malfunction is eliminated.
If the malfunction is eliminated, replace the auto-
cruise control-ECU. (Refer to
.)
Then check that the malfunction is eliminated.
AC001451
CONNECTOR: C-20
AB
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AUTO-CRUISE CONTROL
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ENGINE AND EMISSION CONTROL
17-46
INSPECTION PROCEDURE 2: When the Brake Pedal is Depressed, Auto-cruise Control is not
Cancelled.
AC005114AB
Stoplight Switch Circuit
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