Condition | Possible Sources | Actions |
|---|---|---|
Ti-VCT (412-00 Climate Control System - General Information, General Procedures). REFER to: Refrigerant System Tests - 5.2L 32V Ti-VCT (412-00 Climate Control System - General Information, General Procedures). If OK, DIAGNOSE for a temperature door actuator not operating correctly. | ||
Temperature door actuator | For inadequate temperature out of the driver side, GO to Pinpoint Test I For inadequate temperature out of the passenger side, GO to Pinpoint Test J | |
A/C pressure relief valve discharging | A/C pressure relief valve | CHECK the high side system pressure. REFER to: Specifications (412-00 Climate Control System - General Information, Specifications). If the pressure is below the A/C pressure relief valve open pressure, INSTALL a new A/C pressure relief valve. Refer to the appropriate section in Group 412 for the procedure. |
High system pressure | CHECK the high side system pressure. REFER to: Specifications (412-00 Climate Control System - General Information, Specifications). If the system pressure is above the A/C pressure relief valve open pressure, REPAIR the A/C system for a restriction. | |
Climate control does not operate only when remote start is used | IPC information display settings Non-Ford approved remote start system installed | VERIFY Remote Start - Message Center Set To Auto, or Remote Start - Message Center Set To Last User Settings. REFER to: Climate Control System - Vehicles With: Dual Automatic Temperature Control (DATC) - System Operation and Component Description (412-00 Climate Control System - General Information, Description and Operation). VERIFY module communications network operation. DIAGNOSE Diagnostic Trouble Codes (DTCs) if present. |
Symptom Chart: Noise, Vibration, and Harshness (NVH)
Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
Symptom Chart
Condition | Possible Sources | Actions |
|---|---|---|
Noisy A/C compressor | A/C compressor pulley bearing worn | INSPECT the A/C compressor pulley bearing for roughness. If bearing roughness is found, INSTALL a new A/C compressor clutch and A/C clutch field coil. REFER to: Air Conditioning (A/C) Clutch and Air Conditioning (A/C) Clutch Field Coil (412-00 Climate Control System - General Information, General Procedures). |
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