Mitsubishi 380. Manual — part 336
AUTO-CRUISE CONTROL
ENGINE AND EMISSION CONTROL
17-12
CAUTION
To prevent damage to Diagnostic Tool MB991958, always
turn the ignition switch to the "LOCK" (OFF) position
before connecting or disconnecting Diagnostic Tool
MB991958.
1. Ensure that the ignition switch is at the "LOCK" (OFF)
position.
2. Start up the personal computer.
3. Connect special tool MB991827 to special tool MB991824
and the personal computer.
4. Connect special tool MB991910 to special tool MB991824.
5. Connect special tool MB991910 to the data link connector.
6. Turn the power switch of special tool MB991824 to the "ON"
position.
NOTE: When special tool MB991824 is energized, special
tool MB991824 indicator lamp will be illuminated in green
color.
7. Start the MUT-III system on the personal computer.
NOTE: Disconnecting Diagnostic Tool MB991958 is the
reverse of the connecting sequence, making sure that the
ignition switch is at the "LOCK" (OFF) position.
HOW TO READ AND ERASE DIAGNOSTIC
TROUBLE CODES
Required Special Tools:
• MB991958: Diagnostic Tool (MUT-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: MUT-III USB Cable
• MB991910: MUT-III Main Harness A
CAUTION
To prevent damage to Diagnostic Tool MB991958, always
turn the ignition switch to the "LOCK" (OFF) position
before connecting or disconnecting Diagnostic Tool
MB991958.
NOTE: If the battery voltage is low, diagnostic trouble codes
will not be set. Check the battery if Diagnostic Tool
MB991958 does not display.
1. Connect Diagnostic Tool MB991958 to the data link
connector.
2. Turn the ignition switch to the "ON" position.
3. Depress the "CRUISE" (MAIN) switch to illuminate the
"CRUISE" indicator lamp in the combination meter.
4. Select the "Interactive Diagnosis" from the start-up screen.
5. Select the "System Select."
6. Choose the "Auto-cruise Control System" .
7. Select the "Diagnostic Trouble Code."
8. If a DTC is set, it is shown.
9. Choose the "DTC erase" to erase the DTC.
10.Turn the ignition switch to the "LOCK" (OFF) position.
00DB076A
MB991910
DATA LINK
CONNECTOR
MB991824
MB991827
00DB076A
MB991910
DATA LINK
CONNECTOR
MB991824
MB991827
AUTO-CRUISE CONTROL
ENGINE AND EMISSION CONTROL
17-13
11.Disconnect Diagnostic Tool MB991958.
HOW TO READ DATA LIST
Required Special Tools:
• MB991958: Diagnostic Tool (MUT-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: MUT-III USB Cable
• MB991910: MUT-III Main Harness A
CAUTION
To prevent damage to Diagnostic Tool MB991958, always
turn the ignition switch to the "LOCK" (OFF) position
before connecting or disconnecting Diagnostic Tool
MB991958.
1. Connect Diagnostic Tool MB991958 to the data link
connector.
2. Turn the ignition switch to the "ON" position.
3. Select the "Interactive Diagnosis" from the start-up screen.
4. Select the "System Select."
5. Choose the "Auto-cruise Control System" .
6. Select the "Data List."
7. Choose an appropriate item.
8. Turn the ignition switch to the "LOCK" (OFF) position.
9. Disconnect Diagnostic Tool MB991958.
HOW TO DIAGNOSE THE CAN BUS LINE
Required Special Tools:
• MB991958: Diagnostic Tool (MUT-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: MUT-III USB Cable
• MB991910: MUT-III Main Harness A
00DB076A
MB991910
DATA LINK
CONNECTOR
MB991824
MB991827
AUTO-CRUISE CONTROL
ENGINE AND EMISSION CONTROL
17-14
CAUTION
To prevent damage to Diagnostic Tool MB991958, always
turn the ignition switch to the "LOCK" (OFF) position
before connecting or disconnecting Diagnostic Tool
MB991958.
1. Connect Diagnostic Tool MB991958 to the data link
connector.
2. Turn the ignition switch to the "ON" position.
3. Select the "CAN bus diagnosis" from the start-up screen.
4. When the vehicle information is displayed, confirm that it
matches the vehicle whose CAN bus lines will be
diagnosed.
• If the information is correct, go to step 8.
• If not, go to step 5.
5. Select the "view vehicle information" button.
6. Enter the vehicle information and select the "OK" button.
7. When the vehicle information is displayed, confirm again
that it matches the vehicle which is diagnosed CAN bus line.
• If they match, go to step 8.
• If not, go to step 5.
8. Press the "OK" button.
9. When the optional equipment screen is displayed, choose
the one which the vehicle is fitted with, and then select the
"OK" button.
10.Turn the ignition switch to the "LOCK" (OFF) position.
11.Disconnect Diagnostic Tool MB991958.
DIAGNOSTIC TROUBLE CODE CHART
M1172002200295
Check according to the inspection chart that is
appropriate for the diagnostic trouble code.
00DB076A
MB991910
DATA LINK
CONNECTOR
MB991824
MB991827
DTC NO.
INSPECTION ITEM
REFERENCE PAGE
P0830
Clutch switch system
P1564
Auto-cruise control switch system
P1575
Cancel latch signal system
P1571
Stoplamp switch system
P1574
Engine ECU and its related components
AUTO-CRUISE CONTROL
ENGINE AND EMISSION CONTROL
17-15
DIAGNOSTIC TROUBLE CODE PROCEDURES
DTC P0830: Clutch Switch (5M/T Only)
.
CIRCUIT OPERATION
• A 5 Volt power supply is applied to the clutch
switch output terminal (terminal No. 1) from the
ENGINE-ECU(terminal No. B-21 pin 41) when
the clutch pedal is applied the power supply is
switched to earth.
.
TECHNICAL DESCRIPTION
• The ENGINE-ECU uses the clutch switch earth-
ing as a signal that clutch pedal has been
applied.
.
DTC SET CONDITIONS
Check Conditions
• Vehicle speed is above 50 km/h.
Judgement Criteria
• Gear shift is above 5 times.
• Clutch control is below 2 times.
• No MIL.
• No Limp home.
.
TROUBLESHOOTING HINTS (The most
likely causes for this code to be set are:)
• Clutch switch failed
• Harness damage in clutch switch circuit, or con-
nector damage.
• Refer to component locations GROUP-
• Refer to configuration diagrams GROUP-
• Refer to circuit diagrams GROUP-
DIAGNOSIS
Required Special Tools:
• : Diagnostic tool (MUT-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: USB Cable
• MB991910: Main Harness A
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