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Home >> Acura >> 2004 >> TL Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Display And Gauge System >> Self-diagnostic Function >> Entering The Self-Diagnostic Function

Entering The Self-Diagnostic Function

Before doing the self-diagnostic function, check the No. 7 (7.5 A) fuse and the No. 21 (7.5 A) fuse in the under-dash fuse/relay box.

  1. Push and hold the SELECT button.
  2. Turn the headlights ON.
  3. Turn the ignition switch ON (II).
  4. Within 5 sec, turn the headlights OFF, then ON and OFF again.
  5. Within 5 sec, release the SELECT button, and then push and release the button three times repeatedly.
NOTE:
  • While in the self-diagnostic mode, the dash lights brightness controller operates normally.
  • While in the self-diagnostic mode, the SELECT button is used to start the Beeper Drive Circuit Test and the Gauge Drive Circuit Check.
  • If the vehicle speed exceeds 1.2 mph (2 km/h) or the ignition switch is turned OFF, the self-diagnostic mode ends.
Fig 1: Self-Diagnostic Function Blinking Pattern
G03662214Courtesy of AMERICAN HONDA MOTOR CO., INC.