Miscellaneous Component Or System Checks
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2003 Mercury Sable, 2003 Mercury Mountaineer, 2003 Mercury Marauder, 2003 Mercury Grand Marquis, and 2003 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
Check the following:
- On Mustang and ZX2, if cooling fan(s) do not operate at any speed, go to TEST X: CONSTANT CONTROL RELAY MODULE , step 40) under SYSTEM TESTS in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
- On Crown Victoria, Grand Marquis, LS, Thunderbird and Town Car, if hydraulic cooling fan(s) do not operate at any speed, go to step TEST KN: VARIABLE SPEED ELECTRIC COOLING FAN , step 15) under SYSTEM TESTS in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
- On Expedition, Navigator and Pickups with Visctronic cooling fan clutch, if cooling fan does not operate, go to TEST KG: VISCTRONIC DRIVE FAN CLUTCH , step 4) under SYSTEM TESTS in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
- On all others, if cooling fan(s) do not operate at all speeds, go to TEST KF: FAN CONTROL RELAY , step 25) under SYSTEM TESTS in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
If directed back here from another article for further cooling fan diagnosis, check engine cooling system for mechanical faults. See COOLING SYSTEM TROUBLE SHOOTING under ENGINE MECHANICAL in TROUBLE SHOOTING - BASIC PROCEDURES article in GENERAL INFORMATION.