Mitsubishi Outlander GS45X. Manual — part 1597
CRUISE CONTROL
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ENGINE AND EMISSION CONTROL
17-37
STEP 2. Read the cruise control system diagnostic trouble
code.
(1) Erase diagnostic trouble code. (Refer to
(2) Turn the ignition switch to the "ON" position, and press the
"ON/OFF" switch to turn the cruise control system to ON
(turn on the "CRUISE" indicator light).
(3) After turning the cruise control system to ON, when 2
minutes or more has elapsed without operating the cruise
control switches, read the diagnostic trouble code of the
cruise control system (Refer to
Q: Is DTC 23 set?
YES : Replace the ECM [Refer to GROUP 13A, Engine
Control Module (ECM)
] <2.4L Engine> or
[Refer to GROUP 13B, Engine Control Module (ECM)
] <3.0L Engine>. Then go to Step 3.
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 Malfunctions
).
STEP 3. Read the cruise control system diagnostic trouble
code.
(1) Erase diagnostic trouble code. (Refer to
(2) Turn the ignition switch to the "ON" position, and press the
"ON/OFF" switch to turn the cruise control system to ON
(turn on the "CRUISE" indicator light).
(3) After turning the cruise control system to ON, when 2
minutes or more has elapsed without operating the cruise
control switches, read the diagnostic trouble code of the
cruise control system (Refer to
Q: Is DTC 23 set?
YES : Return to Step 1.
NO : The procedure is complete.
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CRUISE CONTROL
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ENGINE AND EMISSION CONTROL
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SYMPTOM CHART
M1172002302113
Symptom
Inspection
procedure
number
Reference page
Scan tool communication with ECM Is not possible <2.4L
Engine>.
-
GROUP 13A,
Symptom
Procedures
−
Inspection
Procedure 1
Scan tool communication with ECM Is not possible <3.0L
Engine>.
-
GROUP 13B,
Symptom
Procedures
−
Inspection
Procedure 1
When the brake pedal is depressed, cruise control is not
cancelled.
1
When the selector lever is moved to "N" position, cruise control is
not cancelled.
2
When the "CANCEL" switch is pressed, cruise control is not
cancelled.
3
Cruise control cannot be set (No response "COAST/SET" switch
and "ACC/RES" switch is pressed.)
4
Hunting (repeated acceleration and deceleration) occurs at the
set vehicle speed.
5
When "ON/OFF" switch is turned "ON", "CRUISE" indicator light
inside combination meter does not illuminate (However, cruise
control system is normal).
6
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CRUISE CONTROL
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ENGINE AND EMISSION CONTROL
17-39
SYMPTOM PROCEDURES
Inspection Procedure 1: When the Brake Pedal is Depressed, Cruise Control System is not Cancelled.
.
COMMENT
• Malfunction of CAN bus line.
• The stoplight switch circuit is suspected.
.
TROUBLESHOOTING HINTS (THE MOST
LIKELY CAUSES FOR THIS CASE:)
• Malfunction of CAN bus system.
• Damaged harness or connector.
• Malfunction of the stoplight switch.
• Malfunction of the ETACS-ECU
• Malfunction of the ECM.
DIAGNOSTIC PROCEDURE
Required Special Tools:
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: M.U.T.-III USB Cable
• MB991910: M.U.T.-III Main Harness A
CAUTION
If there is any problem in the CAN bus lines, an incorrect
DTC may be set. Prior to this diagnosis, diagnose the CAN
bus lines (Refer to GROUP 54C, Trouble code diagnosis
.)
STEP 1. Using scan tool MB991958, diagnose the CAN bus
line.
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
(Refer to
).
(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991958 to diagnose the CAN bus line
(Refer to
).
Q: Is the check result satisfactory?
YES : Go to Step 2.
NO : Repair the CAN bus lines (Refer to GROUP 54C,
Diagnosis
− CAN Bus Diagnostics Chart
Then go to Step 4.
ZC501967
AC404789
AC703911AB
MB991824
MB991827
MB991910
Data link
connector
CRUISE CONTROL
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ENGINE AND EMISSION CONTROL
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STEP 2. Using scan tool MB991958, check the data list
item 74: Brake light switch, item 89: Normally closed brake
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 74: Brake light switch.
• When the brake pedal is depressed, the display on
scan tool MB991958 should be "ON".
• When the brake pedal is released, the display on
scan tool MB991958 should be "OFF".
• Item 89: Normally closed brake switch.
• When the brake pedal is depressed, the display on
scan tool MB991958 should be "ON".
• When the brake pedal is released, the display on
scan tool MB991958 should be "OFF".
Q: Is the switch operating properly?
YES : Go to Step 3.
NO : Repair the stoplight switch system (Refer to
,
Diagnostic Trouble Code Procedures
− DTC 22:
Stoplight Switch System.) Then go to Step 4 .
STEP 3. Check the symptom.
Q: When the brake pedal is depressed, is the cruise control
cancelled?
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 Malfunctions
).
NO : Replace the ECM [Refer to GROUP 13A, Engine
Control Module (ECM)
] <2.4L Engine> or
[Refer to GROUP 13B, Engine Control Module (ECM)
] <3.0L Engine>. Then go to Step 4.
STEP 4. Check the symptom.
Q: When the brake pedal is depressed, is the cruise control
cancelled?
YES : The procedure is complete.
NO : Return to Step 1.
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