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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1967 (Instrument Cluster System And Panel Illumination (F250-F550)) >> Diagnostic Tests >> Instrument Cluster and Panel Illumination >> Pinpoint Tests >> Pinpoint Test C: The Climate Control Illumination Is Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

A variable pulse width modulated (PWM) voltage is supplied from the instrument panel dimmer switch to the climate control on circuit 19 (LB/RD). Ground for the manual climate control illumination is through circuit 57 (BK). Ground for electronic automatic temperature control (EATC) illumination is through circuit 676 (PK/OG).

Possible Causes

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