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Home >> Ford >> 2003 >> Focus LX, 2.0 P, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 279 (Climate Control System) >> Diagnosis And Testing >> Climate Control System >> Symptom Chart >> Pinpoint Test J: Full Heat Only In All Modes >> Possible Causes
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Possible Causes

WARNING: This page is about a different car, the 2003 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: The coolant control valve jumper harness-to-engine compartment wiring harness connector halves are identified as C134. Make sure to carefully identify the correct half of the connector before carrying out any electrical measurements. Failure to do so can result in damage to the DATC module.
Fig 1: Pinpoint Test J: Full Heat Only In All Modes (Steps J1-J2)
G01183016Courtesy of FORD MOTOR CO.
Fig 2: Pinpoint Test J: Full Heat Only In All Modes (Steps J3-J4)
G01183017Courtesy of FORD MOTOR CO.
Fig 3: Pinpoint Test J: Full Heat Only In All Modes (Steps J5-J6)
G01183018Courtesy of FORD MOTOR CO.
Fig 4: Pinpoint Test J: Full Heat Only In All Modes (Steps J7-J8)
G01183019Courtesy of FORD MOTOR CO.
Fig 5: Pinpoint Test J: Full Heat Only In All Modes (Steps J8 Continued-J9)
G01183020Courtesy of FORD MOTOR CO.
Fig 6: Pinpoint Test J: Full Heat Only In All Modes (Steps J10-J11)
G01183021Courtesy of FORD MOTOR CO.
Fig 7: Pinpoint Test J: Full Heat Only In All Modes (Steps J12-J13)
G01183022Courtesy of FORD MOTOR CO.
Fig 8: Pinpoint Test J: Full Heat Only In All Modes (Steps J14-J15)
G01183023Courtesy of FORD MOTOR CO.
Fig 9: Pinpoint Test J: Full Heat Only In All Modes (Steps J15 Continued-J16)
G01183024Courtesy of FORD MOTOR CO.
Fig 10: Pinpoint Test J: Full Heat Only In All Modes (Steps J16 Continued-J17)
G01183025Courtesy of FORD MOTOR CO.
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