Diagnosis AND TESTING INSTRUMENT CLUSTER

Instrument Cluster and Dimmable Backlighting The dimmable illumination utilizes light emitting diodes (LEDs) and bulb(s). The following dimmable components are backlit using LEDs only: control panel audio unit instrument cluster heater control panel transmission control lever hazard switch traction control system disable switch right-hand and left-hand heated front seat switch(es) Inspection and Verification Verify the customer concern. Visually inspect for obvious signs of mechanical or electrical damage. Visual Inspection Chart Mechanical Electrical Engine/engine compartment or underbody components Fluid levels Accessory installation Fuse(s) Loose or corroded connector(s) Instrument cluster Switch(es) Wiring Harness Circuit(s) LED(s) If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step If the cause is not visually evident, verify the symptom and refer to the Symptom Chart. Symptom Chart Symptom Possible Sources Action The control illumination is inoperative * Fuse. * Headlamp switch. * Circuit. * REFER to the Ford diagnostic equipment. The instrument panel illumination does not dim * Dimmer switch. * INSTALL a new headlamp/dimmer switch unit. The Instrument cluster illumination is inoperative * Circuit(s). * Instrument cluster. * REFER to the Ford diagnostic equipment. The climate control illumination is inoperative * Circuit(s). * Climate control assembly. * REFER to the Ford diagnostic equipment. The audio system control panel illumination is inoperative * Circuit(s). * Control panel. * REFER to the Ford diagnostic equipment.