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HOMESERVICE MANUALSCHEVROLET2001CAVALIER LS, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 10 (ANALOG INSTRUMENT PANELS)SYMPTOM TESTSHEAD-UP DISPLAY (HUD) DOES NOT CHANGE DISPLAY MODES
2001 Chevrolet Cavalier LS, 2.4 T

Head-Up Display (HUD) Does Not Change Display Modes

2001 Chevrolet Cavalier LS, 2.4 TSECTION Head-Up Display (HUD) Does Not Change Display Modes
WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Diagnosis of any HUD malfunctions must always begin with verifying proper IPC operation. See INSTRUMENT PANEL CLUSTER (IPC) DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  1. If Head-Up Display (HUD) system check has been performed, go to next step. If Head-Up Display (HUD) system check has not been performed, see HEAD-UP DISPLAY (HUD) SYSTEM CHECK  under SYSTEM TESTS.
  2. Turn ignition off. Move HUD display dimmer switch to maximum position. See Figure . Turn ignition on. If all segments of HUD display on windshield come on and turn off in 3.5 seconds, go to next step. If HUD does not operate as specified, go to HEAD-UP DISPLAY (HUD) INOPERATIVE  .
  3. Press and release the PAGE button on HUD controls and scroll through the following display modes:
    • Speedometer
    • Speedometer And Gauges
    • Speedometer And Tachometer
    • Speedometer, Tachometer And Gauges
    • Tachometer
    If display scrolls through all modes, go to HEAD-UP DISPLAY (HUD) SYSTEM CHECK  under SYSTEM TESTS. If display does not scroll through all modes, go to next step.
  4. Check HUD wiring harness between HUD display switch and IPC for an open, short to voltage or short to ground condition. See WIRING DIAGRAMS  . If faulty circuit is found and repaired, go to step  10 . If circuits are okay, go to next step.
  5. Check HUD wiring harness between HUD unit and IPC for an open or short to ground condition. If faulty circuit is found and repaired, go to step  10 . If circuits are okay, go to step  8 .
  6. Check HUD wiring harness between HUD display switch and IPC for an open, short to voltage or short to ground condition. See WIRING DIAGRAMS  . If faulty circuit is found and repaired, go to step  10 . If circuits are okay, go to next step.
  7. Replace HUD display switch. See DRIVER INFORMATION CENTER (DIC) & HEAD-UP DISPLAY (HUD) CONTROL SWITCHES  under REMOVAL & INSTALLATION. After repairs, go to step  10 .
  8. Replace HUD unit. See HEAD-UP DISPLAY (HUD) UNIT  under REMOVAL & INSTALLATION. After repairs, go to step  10 .
  9. Replace IPC assembly. See INSTRUMENT PANEL CLUSTER (IPC)  under REMOVAL & INSTALLATION. After repairs, go to next step.
  10. Turn ignition off and reconnect all disconnected components and connectors. Recheck system operation. Go to HEAD-UP DISPLAY (HUD) SYSTEM CHECK  under SYSTEM TESTS.
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