Test S: Gauge Button Inoperative

2000 Buick Park Avenue Base, 3.8 KSECTION Test S: Gauge Button Inoperative
NOTE: This procedure only applies to models equipped with premium Driver Information Center (DIC) switch.
  1. Perform INSTRUMENT CLUSTER SYSTEM CHECK  under TROUBLE SHOOTING. Go to next step.
  2. Connect scan tool to Data Link Connector (DLC). Turn ignition switch to ON position. Using scan tool, check for Instrument Panel Cluster (IPC) DTCs. If scan tool displays any IPC DTCs, go to appropriate diagnostic procedure. See INSTRUMENT PANEL CLUSTER (IPC) DTC INDEX  table under SELF-DIAGNOSTIC SYSTEM. If scan tool does not display any IPC DTC, go to next step.
  3. Using scan tool, select IPC INPUTS MENU. Monitor gauge input value on scan tool, while pressing GAUGE button on Driver Information Center (DIC) switch. If gauge input value on scan tool cycles on and off when GAUGE button is pressed, go to step  11 . If gauge input value does not cycle, go to next step.
  4. Turn ignition switch to OFF position. Disconnect IPC module 34-pin connector. Connect DVOM between IPC module connector terminal A9 (Red wire) and ground. While observing DVOM, press DIC switch GAUGE button. If reading is 5 ohms or less, go to next step. If reading is greater than 5 ohms, go to step  10 .
  5. Connect IPC module 34-pin connector. Turn ignition switch to ON position. Depress GAUGE button to cycle through gauge information on DIC display. If GAUGE button functions properly, go to next step. If GAUGE button does not function properly, go to step  8 .
  6. Turn ignition switch to OFF position. Check for open Red wire between Driver Information Center (DIC) switch terminal "C" and IPC module 34-pin connector terminal A9. See WIRING DIAGRAMS  . If open exists in Red wire, go to next step. If open does not exist, go to step  8 .
  7. Repair open Red wire as necessary. Perform INSTRUMENT CLUSTER SYSTEM CHECK  under TROUBLE SHOOTING.
  8. Turn ignition switch to OFF position. Check for open Black wire between IPC 34-pin connector terminal A12, DIC switch terminal "H" and ground connection located under left kick panel. See WIRING DIAGRAMS  . If open exists in Black wire, go to next step. If open does not exist, go to step  10 .
  9. Repair open Black wire as necessary. Perform instrument panel system check. See INSTRUMENT CLUSTER SYSTEM CHECK  under TROUBLE SHOOTING.
  10. Replace DIC switch. Perform INSTRUMENT CLUSTER SYSTEM CHECK  under TROUBLE SHOOTING.
  11. Replace instrument panel cluster. See INSTRUMENT PANEL CLUSTER  under REMOVAL & INSTALLATION. Perform INSTRUMENT CLUSTER SYSTEM CHECK  under TROUBLE SHOOTING.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.