Mitsubishi Galant (2004+). Manual — part 1464
COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR
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CHASSIS ELECTRICAL
54A-99
STEP 9. Check fuel pump module connector D-18 and fuel
level sensor (sub) connector D-17 for loose, corroded or
damaged terminals, or terminals pushed back in the
connector.
Q: Is fuel pump module connector D-18 and fuel level
sensor (sub) connector D-17 in good condition?
YES : Go to Step 10.
NO : Repair or replace the component(s). Refer to GROUP
00E, Harness Connector Inspection
. The fuel
gauge should now operate normally.
STEP 10. Check the wiring harness between fuel pump
module connector D-18 (terminal 2) and fuel level sensor
(sub) connector D-17 (terminal 1).
Q: Is the wiring harness between fuel pump module
connector D-18 (terminal 2) and fuel level sensor (sub)
connector D-17 (terminal 1) in good condition?
YES : Go to Step 11.
NO : Repair the wiring harness. The fuel gauge should now
operate normally.
AC305269
D-17
D-18 (GR)
AE
CONNECTORS: D-17, D-18
HARNESS SIDE
D-17
HARNESS SIDE
D-18
AC305269
D-17
D-18 (GR)
AE
CONNECTORS: D-17, D-18
HARNESS SIDE
D-17
HARNESS SIDE
D-18
COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR
TSB Revision
CHASSIS ELECTRICAL
54A-100
STEP11. Retest the system.
Check that the fuel gauge works normally.
Q: Is the fuel gauge normal?
YES : The procedure is complete. (If no malfunctions are
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 combination meter.
COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR
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CHASSIS ELECTRICAL
54A-101
INSPECTION PROCEDURE 10: Engine Coolant Temperature Gauge does not Work (other meters
work).
ABS-ECU OR ABS/TCL-ECU
JOINT
CONNECTOR (3)
COMBINATION
METER
DATA LINK
CONNECTOR
WITHOUT ELECTRONIC
BRAKE-FORCE
DISTRIBUTION (EBD)
AND ANTI-LOCK
BRAKING SYSTEM
(ABS)
WITH ELECTRONIC
BRAKE-FORCE
DISTRIBUTION (EBD)
AND ANTI-LOCK
BRAKING SYSTEM
(ABS)
WITH ELECTRONIC
BRAKE-FORCE
DISTRIBUTION (EBD)
AND ANTI-LOCK
BRAKING SYSTEM
(ABS)
WITHOUT
ELECTRONIC
BRAKE-FORCE
DISTRIBUTION
(EBD) AND ANTI-
LOCK BRAKING
SYSTEM (ABS)
ENGINE
COOLANT
TEMPERATURE
SENSOR
POWERTRAIN
CONTROL MODULE
TEMP
GAUGE
CPU
Engine Coolant Temperature Gauge Circuit
COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR
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CHASSIS ELECTRICAL
54A-102
.
CIRCUIT OPERATION
The engine coolant temperature sensor sends signal
to the combination meter via the powertrain control
module and the CAN bus line.
.
TECHNICAL DESCRIPTION (COMMENT)
If only the engine coolant temperature gauge does
not operate, the powertrain control module system,
the combination meter, the wiring harness or its con-
nector may be defective.
.
TROUBLESHOOTING HINTS
• Malfunction of the powertrain control module.
• Malfunction of the combination meter.
• The wiring harness or connectors may have
loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector.
DIAGNOSIS
Required Special Tools:
• MB991958: Scan Tool (MUT-III Sub Assembly)
• MB991824: Vehicle Communication Interface (V.C.I.)
• MB991827: MUT-III USB Cable
• MB991911: MUT-III Main Harness A (Vehicles with CAN
communication system)
AC305206
CONNECTOR: A-02
AO
A-02 (GR)
AC305216
CONNECTORS: B-19, B-21, B-22, B-104
AG
B-19 (B)
B-22 (B)
B-21 (B)
B-104 (B)
AC305231
C-02
C-29
C-101
C-125 (B)
DC
CONNECTORS: C-02, C-29, C-101, C-125
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