Mitsubishi Montero Sport (2004+). Manual — part 111
AUTO-CRUISE CONTROL
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ENGINE AND EMISSION CONTROL
17-39
STEP 8. Check the auto-cruise control switch.
(1) Remove the auto-cruise control switch
.
(2) Measure the resistance at between the terminals when
each of the "SET," "RESUME," "CANCEL" and "MAIN"
switch is pressed.
Q: Is the values measured correspond to those in the table
below?
YES : Go to Step 14 .
NO : Replace the auto-cruise control switch. (Refer to
). Then go to Step 15 .
SWITCH
POSITION
RESISTANCE BETWEEN TERMINALS
MAIN switch
"OFF"
Terminal 1
and 2
Less than 2 ohms
MAIN switch
"ON"
Terminal 1
and 2
Approximately 3.9 k
Ω
"CANCEL"
switch "ON"
Terminal 2
and 3
Approximately 0
Ω
"RESUME"
switch "ON"
Terminal 2
and 3
Approximately 910
Ω
"SET" switch
"ON"
Terminal 2
and 3
Approximately 220
Ω
1 2 3
AC102096AB
OFF
OFF
OFF
OFF
ON
ON
ON
ON
CAN
MAIN
RES
SET
1
2
3
AUTO-CRUISE CONTROL
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ENGINE AND EMISSION CONTROL
17-40
STEP 9. Measure the output circuit voltage at auto-cruise
control-ECU connector C-35 by backprobing.
(1) Do not disconnect auto-cruise control-ECU connector C-35.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage between auto-cruise control-ECU
connector C-35 terminal 12 and ground by backprobing.
• Voltage should be battery positive voltage. (The MAIN
switch is at the "ON" position.)
(4) Measure the voltage between auto-cruise control-ECU
connector C-35 terminal 9 and ground by backprobing.
• Voltage should measure between 6.8 and 7.2 volts.
(MAIN switch is at the "ON" position.)
• Voltage should measure between 3.5 and 5.0 volts. (All
switches are at the "OFF" position.)
• Voltage should measure between 0.4 and 2.3 volts.
("SET" switch is at the "ON" position.)
• Voltage should measure between 2.3 and 3.5 volts.
("RESUME" switch is at the "ON" position.)
• Voltage should measure 1 volt or less. ("CANCEL"
switch is at the "ON" position.)
(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the voltage within specifications?
YES : Go to Step 14 .
NO : Go to Step 10 .
STEP 10. Check auto-cruise control-ECU connector C-35
for loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is the connector damaged?
YES : Repair or replace the damaged components. (Refer
to GROUP 00E, Harness Connector Inspection
NO : Go to Step 11 .
AC202155
2
3
10
11
5
6
13
14
12
4
8
16 15
7
9
1
C-35 (B)
AB
CONNECTOR: C-35
C-35 HARNESS SIDE
CONNECTOR
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
ACX01900
C-35 HARNESS CONNECTOR:
HARNESS SIDE
AH
AC202155
2
3
10
11
5
6
13
14
12
4
8
16 15
7
9
1
C-35 (B)
AB
CONNECTOR: C-35
C-35 HARNESS SIDE
CONNECTOR
AUTO-CRUISE CONTROL
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ENGINE AND EMISSION CONTROL
17-41
STEP 11. Check the clock spring.
Refer to GROUP 52B, Air Bag Modules and Clock Spring
.
Q: Is the clock spring damaged?
YES : Replace the clock spring. (Refer to GROUP 52B, Air
). Then go to
Step 15 .
NO : Go to Step 12 .
STEP 12. Check auto-cruise control switch connector
D-19, clock spring connector D-25 for loose, corroded or
damaged terminals, or terminals pushed back in the
connector.
Q: Is any connector damaged?
YES : Repair or replace the damaged components. (Refer
to GROUP 00E, Harness Connector Inspection
NO : Go to Step 13 .
STEP 13. Check the harness wire between auto-cruise
control switch connector D-19 (terminal No.2 and 3) and
auto-cruise control-ECU connector C-35 (terminal No.9
and 12).
Q: Is any harness wire between auto-cruise control switch
connector D-19 (terminal No.2 and 3) and auto-cruise
control-ECU connector C-35 (terminal No.9 and 12)
damaged?
YES : Repair the damaged harness wire. Then go to Step
15 .
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
).
AC202306
4
3
1 2
1 2 3
AB
CONNECTORS: D-19, D-25
D-19 (Y)
D-25
D-19 (Y)
D-25
1
3
4
2 1
3
HARNESS
CONNECTOR
AC203151
3 2 1
CONNECTOR: D-19
AB
D-19 (Y)
D-19:
HARNESS
SIDE CONNECTOR
AC202155
2
3
10
11
5
6
13
14
12
4
8
16 15
7
9
1
C-35 (B)
AB
CONNECTOR: C-35
C-35 HARNESS SIDE
CONNECTOR
AUTO-CRUISE CONTROL
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ENGINE AND EMISSION CONTROL
17-42
STEP 14. Check the diagnostic trouble codes.
Q: Is DTC 15 set?
YES : Replace the auto-cruise control-ECU. (Refer to
). Then go to Step 15 .
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
).
STEP 15. Check the diagnostic trouble codes.
Q: Is DTC 15 set?
YES : Return to Step 1 .
NO : This procedure is complete.
DTC 16: Auto-cruise Control-ECU
.
DTC SET CONDITIONS
This code is output when a problem is found on the
cancel status hold circuit or microcomputer operation
monitor circuit, which is incorporated in the
auto-cruise control-ECU.
.
TROUBLESHOOTING HINTS
Malfunction of the auto-cruise control-ECU.
DIAGNOSIS
Replace the auto-cruise control-ECU. (Refer to
). Then
check that DTC 16 is not set.
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