Ford ST1137-A, Руководство пользователя

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413-01-31 413-01-31 Instrument Cluster
DIAGNOSIS AND TESTING (Continued)
PINPOINT TEST O: THE BRAKE WARNING INDICATOR IS NEVER ON (Continued)
Test Step Result / Action to Take
O12 CHECK CIRCUIT 1205 (BK) AT THE BRAKE FLUID LEVEL
SWITCH FOR AN OPEN
• Measure the resistance between the brake fluid level switch
C124 pin 1, circuit 1205 (BK), harness side and ground.
Yes
INSTALL a new brake fluid reservoir.
REFER to section Section 206-06. TEST
the system for normal operation.
No
REPAIR the circuit. TEST the system for
• Is the resistance less than 5 ohms? normal operation.
O13 CHECK FOR CORRECT GEM OPERATION
• Disconnect all the GEM connectors.
Yes
• Check for: INSTALL a new GEM. REFER to Section
419-10. TEST the system for normal
• corrosion
operation.
• pushed-out pins
• Connect all the GEM connectors and make sure they seat
No
correctly. The system is operating correctly at this
• Operate the system and verify the concern is still present. time. The concern may have been caused
• Is the concern still present? by a loose or corroded connector. CLEAR
the DTCs. REPEAT the self-test.
O14 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 P: THE CHARGING SYSTEM WARNING INDICATOR IS NEVER/ALWAYS ON
Test Step Result / Action to Take
P1 CHECK THE CHARGING SYSTEM
CAUTION: Use the correct probe adapter(s) when
Yes
making measurements. Failure to use the correct probe
GO to P2 .
adapter(s) may damage the connector.
• Check the charging system operation. Refer to Section 414-00.
No
• Is the charging system operating correctly? REFER to Section 414-00.
P2 CHECK THE CHARGING SYSTEM WARNING INDICATOR WITH
THE ENGINE OFF
• Key in ON position.
Yes
• Observe the charging system warning indicator. GO to P5 .
• Is the charging system warning indicator on?
No
GO to P3 .
P3 CHECK THE INSTRUMENT CLUSTER INPUT
• Key in OFF position.
• Disconnect: Generator C102c.
(Continued)
2003 Mustang, 8/2002