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Home >> Infiniti >> 1998 >> QX4 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Self-Diagnostic System >> Entering Instrument Cluster Self-Diagnostic Mode >> I30 & QX4

I30 & QX4

  1. Turn ignition switch to RUN position. Change trip odometer from "TRIP A" or "TRIP B". Turn ignition switch to OFF position. While pressing trip odometer reset switch, turn ignition switch to RUN position. Confirm that trip meter indicates 000.0.
  2. Press trip odometer reset switch more than 3 times within 5 seconds. All trip odometer segments should be turned on (display shows 88888.8), indicating that diagnostic mode has been entered. If any segments are not turned on, speedometer should be replaced.
  3. If diagnostic mode is entered, go to next step. If diagnostic mode cannot be entered, go to INSTRUMENT CLUSTER SELF-DIAGNOSTIC MODE CANNOT BE ENTERED  .
  4. Press trip odometer reset switch. Wait one minute for gauges to stabilize. Gauges should display as illustrated. See Fig 1 . If gauges display as illustrated, no malfunction is indicated. Repair instrument cluster concern by symptom. See TROUBLE SHOOTING  . If any gauge does not display as shown in illustration, go to next step.
  5. Remove instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION. Check screws securing gauges and printed circuit. See Figure . If screws are tight, go to next step. If screws are loose, tighten as necessary and retest system.
  6. If speedometer displayed as shown in illustration, go to next step. If speedometer did not display as shown in illustration, replace speedometer.
  7. If tachometer, fuel or temperature gauge did not display as shown in illustration, test appropriate gauge resistance. See METER/GAUGE RESISTANCE  under COMPONENT TESTS. If gauge resistance is okay, replace printed circuit or speedometer as necessary. If gauge resistance is not okay, replace appropriate gauge.
Fig 1: Instrument Cluster Gauge Display During Self-Diagnostic Mode
G98E04547Courtesy of NISSAN MOTOR CO., U.S.A.