Mitsubishi Galant. Manual — part 622
COMBINATION METERS ASSEMBLY AND VEHICLE SPEED SENSOR
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CHASSIS ELECTRICAL
54A-41
Q: Are vehicle speed sensor connector B-35, radio and
tape player connector C-31, auto-cruise control-ECU
connector C-52 <vehicles with auto-cruise control>,
PCM connector C-41 and combination meter connector
C-30 in good condition?
YES : Go to Step 20.
NO : Repair or replace them. Refer to GROUP 00E,
Harness Connector Inspection
. The
speedometer should work normally.
AC003688
AC003688
CONNECTOR: C-52
AB
CENTER REINFORCEMENT
AUTO-CRUISE CONTROL-ECU
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CHASSIS ELECTRICAL
COMBINATION METERS ASSEMBLY AND VEHICLE SPEED SENSOR
54A-42
STEP 20. Check the harness wires from vehicle speed
sensor connector B-35 to radio and tape player connector
C-31, auto-cruise control-ECU connector C-52 <vehicles
with auto-cruise control>, PCM connector C-41 and
combination meter connector C-30.
AC003686
CONNECTOR: B-35
<2.4L ENGINE>
AB
AC003687
CONNECTOR: B-35
<3.0L ENGINE>
AB
AC003089
C-17
C-31
CONNECTORS: C-17, C-31
AN
AC003089
C-56
CONNECTORS: C-30, C-56
AP
C-30
COMBINATION METERS ASSEMBLY AND VEHICLE SPEED SENSOR
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CHASSIS ELECTRICAL
54A-43
NOTE: After checking joint connector C-56 and intermediate
connector C-17,check the wires. If joint connector C-56 and
intermediate connector C-17 are damaged, repair or replace
them. Refer to GROUP 00E, Harness Connector Inspection
Q: Are the harness wires from vehicle speed sensor
connector B-35 to radio and tape player connector C-31,
auto-cruise control-ECU connector C-52 <vehicles with
auto-cruise control>, PCM connector C-41 and
combination meter connector C-30 in good condition?
YES : Go to Step 21.
NO : Repair them. The speedometer should work normally.
STEP 21. Check each equipment.
Disconnect auto-cruise control-ECU connector C-31, auto-
cruise control-ECU connector C-52 <vehicles with auto-cruise
control> and combination meter connector C-30 in that order
one by one. Then check that MFI system DTC P0500 does not
reset under any conditions.
CAUTION
To prevent damage to scan tool MB991502, always turn the
ignition switch to "LOCK" (OFF) position before
connecting or disconnecting scan tool MB991502.
(1) Connect scan tool to the data link connector.
(2) Turn the ignition switch to "ON" position.
(3) Read the MFI system diagnostic trouble code.
Q: Does MFI system DTC P0500 reset when one of auto-
cruise control-ECU or combination meter, PCM is
disconnected?
YES : Go to Step 22.
NO : Replace the auto-cruise control-ECU, combination
meter or PCM where applicable. The speedometer
should work normally.
AC003685
CONNECTOR: C-41
AC
PCM
AC003688
AC003688
CONNECTOR: C-52
AB
CENTER REINFORCEMENT
AUTO-CRUISE CONTROL-ECU
AC003089
C-31
CONNECTORS: C-30, C-31
AQ
C-30
AC003688
AC003688
CONNECTOR: C-52
AB
CENTER REINFORCEMENT
AUTO-CRUISE CONTROL-ECU
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CHASSIS ELECTRICAL
COMBINATION METERS ASSEMBLY AND VEHICLE SPEED SENSOR
54A-44
STEP 22. Recheck for malfunction.
Q: Is a malfunction eliminated?
YES : This diagnosis is complete.(If no malfunctions are not
found in all steps, an intermittent malfunction is
suspected.Refer to GROUP 00, How to Use
Troubleshooting/Inspection Service Points-How to
Cope with Intermittent Malfunction
NO : Replace the speedometer
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