FixVault

Boost Gauge

  1. Disconnect battery negative cable. Remove instrument cluster. See INSTRUMENT CLUSTER  under REMOVAL & INSTALLATION. Using ohmmeter, measure resistance between IGN and boost sensor terminals. SeeFig 1 .
    Fig 1: Testing Boost Gauge
    G93H01625Courtesy of ISUZU MOTOR CO.
  2. Resistance should be approximately 62.6 ohms. Measure resistance between IGN and GND terminals. SeeFig 1 . Resistance should be approximately 112.8 ohms. If resistance readings are not as specified, replace boost gauge.