Mitsubishi Eclipse. Manual - part 693

 

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Mitsubishi Eclipse. Manual - part 693

 

 

AUTO-CRUISE CONTROL

TSB Revision

ENGINE AND EMISSION CONTROL

17-53

STEP 5. Check the ground circuit voltage at auto-cruise 
control-ECU connector C-20 (terminal number 14) by 
backprobing.
(1) Do not disconnect auto-cruise control switch connector 

C-20.

(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage between terminal 14 and ground by 

backprobing.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the voltage approximately 0.5 volts or less?

YES : Go to Step 8.
NO :  Go to Step 6.

STEP 6. 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 

P.00E-2

. Then check 

that the malfunction is eliminated.

NO :  Go to Step 7.

STEP 7. Check the harness wire between auto-cruise 
control-ECU connector C-20 (terminal number 14) and 
ground.
Q: Is any harness wire between auto-cruise control-ECU 

connector C-20 (terminal number 14) 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 not eliminated, replace the auto-cruise 
control-ECU (Refer to 

P.17-92

.). Then check that the 

malfunction is eliminated.

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

AC103153

C-20 CONNECTOR
HARNESS SIDE VIEW

AB

AC001451

CONNECTOR: C-20

AB

AC001451

CONNECTOR: C-20

AB

AUTO-CRUISE CONTROL

TSB Revision

ENGINE AND EMISSION CONTROL

17-54

STEP 8. Check the output circuit voltage at data link 
connector C-29 (terminal number 13).
(1) Turn the ignition switch to the "ON" position.
(2) Measure the voltage between terminal 13 and ground.
(3) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the voltage approximately 4 volts or more?

YES : Check that the malfunction is eliminated. If the 

malfunction is not eliminated, replace the auto-cruise 
control-ECU (Refer to 

P.17-92

.). 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 

P.00E-2

. Then check 

that the malfunction is eliminated.

NO :  Go to Step 10.

STEP 10. Check the output circuit voltage at auto-cruise 
control-ECU connector C-20 (terminal number 11) by 
backprobing.
(1) Do not disconnect auto-cruise control switch connector 

C-20.

(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage between terminal 11 and ground by 

backprobing.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the voltage approximately 4 volts or more?

YES : Go to Step 11.
NO :  Go to Step 12.

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

ACX01921AE

DATA LINK
CONNECTOR: C-29

AC101201AC

CONNECTOR: C-29

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

AC103154

C-20 CONNECTOR
HARNESS SIDE VIEW

AB

AUTO-CRUISE CONTROL

TSB Revision

ENGINE AND EMISSION CONTROL

17-55

STEP 11. Check the harness wire between auto-cruise 
control-ECU connector C-20 (terminal number 11) and data 
link connector C-29 (terminal number 13).
Q: Is any harness wire between auto-cruise control-ECU 

connector C-20 (terminal number 11) and data link 
connector C-29 (terminal number 13) 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 not eliminated, replace the auto-cruise 
control-ECU (Refer to 

P.17-92

.). Then check that the 

malfunction is eliminated.

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 

P.00E-2

. Then check 

that the malfunction is eliminated.

NO :  Check that the malfunction is eliminated. If the 

malfunction is not eliminated, replace the auto-cruise 
control-ECU (Refer to 

P.17-92

.). Then check that the 

malfunction is eliminated.

AC001451

CONNECTOR: C-20

AB

AC101201AC

CONNECTOR: C-29

AC001451

CONNECTOR: C-20

AB

AUTO-CRUISE CONTROL

TSB Revision

ENGINE AND EMISSION CONTROL

17-56

INSPECTION PROCEDURE 2: When the Brake Pedal is Depressed, Auto-cruise Control is not 
Cancelled.

AC106775

Stoplight Switch Circuit

AB

AC101196AE

CONNECTOR: C-03

AC001451

CONNECTOR: C-20

AB

 

 

 

 

 

 

 

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