Preliminary Inspection
WARNING: This page is about a different car, the 2002 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
- Verify customer complaints by operating system in all available modes. Carefully check following for possible cause of problems and repair as necessary:
- A/C compressor.
- A/C compressor drive belt.
- A/C clutch.
- Vacuum lines.
- Vacuum control motor.
- Refrigerant lines.
- Coolant level.
- Heater hoses.
- Radiator.
- Condenser.
- Suction accumulator.
- Battery Junction Box (BJB) fuses: 17 (15A), 23 (40A), 25 (40A) or 26 (40A).
- Central Junction Box (CJB) fuses: 2 (5A), 7 (10A) or 9 (3A).
- Engine cooling fans.
- Blower motor.
- Circuitry.
- Electrical connectors.
- If symptom(s) remain after preliminary inspection, connect New Generation Star (NGS) Tester (007-00500), or scan tool, to Data Link Connector (DLC). Perform DATA LINK DIAGNOSTIC test. See appropriate MODULE COMMUNICATIONS NETWORK article in ACCESSORIES & EQUIPMENT.
- If scan tool displays CKT 914 and CKT 915 or CKT70 = ALL ECUS NO RESP/NOT EQUIP, see appropriate MODULE COMMUNICATIONS NETWORK article in ACCESSORIES & EQUIPMENT. Test and repair these circuits before proceeding.
- If scan tool displays NO RESP/NOT EQUIP for powertrain control module (PCM), turn function selector switch to OFF and perform Powertrain Control Module (PCM) self test. See SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV article in ENGINE PERFORMANCE.
- If scan tool displays SYSTEM PASSED, retrieve and record continuous diagnostic trouble codes (DTCs), erase continuous DTCs and perform PCM self test. See SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
- If any Diagnostic Trouble Codes (DTC's) are retrieved, perform appropriate test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS under SELF-DIAGNOSTIC SYSTEM. If symptom remains after repairs have been made, diagnose by symptom. See SYMPTOM TESTS .