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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2129 (Instrument Cluster And Panel Illumination) >> Diagnostic Tests >> Instrument Cluster and Panel Illumination >> Pinpoint Tests >> Pinpoint Test A: The Control Illumination Is Inoperative - All Hardwired Illumination >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

The smart junction box (SJB) sends a pulse-width modulated (PWM) voltage to the dimmable components through circuit VLN04 (VT/GY). Ground is provided through circuits GD112 (BK/GN) and GD114 (BK/BU).

DTC B2A32 (LED Backlighting Output Circuit Open) - is an on-demand DTC that sets when the SJB detects an open on the LED backlighting output circuit.

DTC B2A33 (LED Backlighting Output Circuit Short To Ground) - is a continuous and on-demand DTC that sets when the SJB detects a short to ground on the LED backlighting output circuit. The DTC also sets as a result when fuse 10 (15A) has failed or is removed.

This pinpoint test is intended to diagnose the following:

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