Function Mode 03: Output Diagnostic Test

In output Diagnostic Test Mode (DTM), all instrument cluster outputs (when coded) are activated in sequence. Vehicle must be stopped and engine must be off. If any malfunctions are found during output DTM, repair appropriate circuit or replace instrument cluster as necessary.

Outputs are activated in the following sequence:

• Simultaneous activation of all analog instruments (coolant temperature gauge, tachometer, speedometer and fuel gauge).
• Activation of mini-check system indicator lamps.
• Activation of seat belt warning lamp.
• Activation of chime.
• Segment test of multifunction display and/or LCD display for odometer.
• Instrument cluster illumination and dimmer test (headlights must be on).
• Activation of A/C compressor shut-off for engine overheat.

1. When RAPID DATA TRANSFER SELECT FUNCTION XX is displayed, press 03 keys. RAPID DATA TRANSFER 03 - OUTPUT DIAGNOSTIC TEST MODE will be displayed. Press "Q" key to confirm input. OUTPUT DIAGNOSTIC TEST MODE ANALOG DISPLAYS will be displayed. Gauges will sweep across their full span then move to a preset position. See GAUGE PRESET POSITION  table.
2. Press right arrow key. OUTPUT DIAGNOSTIC TEST MODE WARNING LAMP TEST FOR INSTRUMENT CLUSTER will be displayed. All lights that are activated by processor should illuminate. Press right arrow key. OUTPUT DIAGNOSTIC TEST MODE SEAT BELT WARNING LIGHT will be displayed. Seat belt warning light should illuminate. Press right arrow key. OUTPUT DIAGNOSTIC TEST MODE GONG will be displayed. Warning chime should sound.
3. Press right arrow key. OUTPUT DIAGNOSTIC TEST MODE SEGMENT TEST will be displayed. All LCD segments (odometer, clock and multifunction display) will be activated. Press right arrow key. OUTPUT DIAGNOSTIC TEST MODE LIGHTING/SWITCH AND INSTRUMENTS will be displayed. Instrument illumination light dimmer function will be activated. Press right arrow key. OUTPUT DIAGNOSTIC TEST MODE END will be displayed. Press right arrow key to end output diagnostic test mode and return to select function screen.