Ford ST1137-A, Руководство пользователя

Страница: 33 / 43

413-01-33 413-01-33 Instrument Cluster
DIAGNOSIS AND TESTING (Continued)
PINPOINT TEST P: THE CHARGING SYSTEM WARNING INDICATOR IS NEVER/ALWAYS ON (Continued)
Test Step Result / Action to Take
P6 CHECK CIRCUIT 904 (LG/RD) FOR A SHORT TO GROUND
(Continued)
• Measure the resistance between the generator C102c pin 1,
circuit 904 (LG/RD), harness side and ground.
Yes
GO to P7 .
No
REPAIR the circuit. TEST the system for
• Is the resistance greater than 10,000 ohms? normal operation.
P7 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 Q: THE HIGH BEAM INDICATOR IS NEVER/ALWAYS ON
Test Step Result / Action to Take
Q1 CHECK THE HIGH BEAM LAMP OPERATION
CAUTION: Use the correct probe adapter(s) when
making measurements. Failure to use the correct probe
Yes
adapter(s) may damage the connector.
GO to Q2 .
• Key in ON position.
• Operate the high beams.
No
• Do the high beams operate correctly? REFER to Section 417-01.
Q2 CHECK CIRCUIT 932 (GY/WH) AND CIRCUIT 12 (LG/BK) FOR
AN OPEN
• Key in OFF position.
• Disconnect: Instrument Cluster C220b.
• Key in ON position.
(Continued)
2003 Mustang, 8/2002