Ford ST1137-A, Руководство пользователя

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413-01-19 413-01-19 Instrument Cluster
DIAGNOSIS AND TESTING (Continued)
PINPOINT TEST D: INCORRECT TEMPERATURE GAUGE INDICATION (Continued)
Test Step Result / Action to Take
D1 CARRY OUT THE INSTRUMENT CLUSTER ENGINE COOLANT
TEMPERATURE GAUGE ACTIVE COMMAND (Continued)
• Enter the following diagnostic mode on the scan tool: Instrument
Yes
Cluster Active Command.
REFER to the Powertrain
• Trigger instrument cluster active command ENGCOOLNT.
Control/Emissions Diagnosis (PC/ED)
Monitor the engine coolant temperature gauge while adjusting
manual .
the ENGCOOLNT active command to read 50% and 100%.
• Does the temperature gauge start at cold, move to half at
No
50%, and full hot at 100%? GO to D2 .
D2 CHECK FOR CORRECT INSTRUMENT CLUSTER OPERATION
• Disconnect all the instrument cluster connectors.
Yes
• Check for: INSTALL a new instrument cluster.
REFER to Instrument Cluster in this
• corrosion
section. TEST the system for normal
• pushed-out pins
operation.
• Connect all the instrument cluster connectors and make sure
they seat correctly.
No
• Operate the system and verify the concern is still present. The system is operating correctly at this
• Is the concern still present? time. The concern may have been caused
by a loose or corroded connector. CLEAR
the DTCs. REPEAT the self-test.
PINPOINT TEST E: INCORRECT VOLTAGE GAUGE INDICATION—EXCEPT COBRA
Test Step Result / Action to Take
E1 CHECK THE INSTRUMENT CLUSTER
CAUTION: Use the correct probe adapter(s) when
making measurements. Failure to use the correct probe
adapter(s) may damage the connector.
• Connect the scan tool.
• Key in ON position.
• Enter the following diagnostic mode on the scan tool: Instrument
Cluster Active Command.
Yes
• Trigger the instrument cluster voltage gauge active command.
GO to E2 .
Scroll to 0%, 50%, and 100%.
• Did the voltage gauge indicate L at 0%, the middle of the
No
gauge at 50%, and H at 100%? GO to E4 .
E2 CHECK CHARGING SYSTEM
• Check the charging system operation. REFER to Section
Yes
414-00. GO to E3 .
• Is the charging system operating correctly?
No
REPAIR the charging system as needed.
REFER to Section 414-00.
E3 CHECK CIRCUIT 904 (LG/RD) FOR AN OPEN OR A SHORT TO
GROUND
• Key in OFF position.
• Disconnect: Instrument Cluster C220a.
• Disconnect: Generator C102a.
(Continued)
2003 Mustang, 8/2002