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Home >> Isuzu >> 2008 >> Ascender LS, 4WD >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Suspension Control System - Automatic Level Control >> Diagnostic Information & Procedures >> DTC 002 >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the left rear air suspension sensor.
  2. Test for less than 2.0 ohms between the low reference circuit terminal B and ground.
    • If greater than the specified value, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the air suspension compressor assembly.
  3. Perform the component test on the left rear air suspension sensor.
    • If the sensor fails the component test, replace the sensor
  4. Test the left rear air suspension signal circuit for an open/high resistance, short to ground, or short to voltage.
    • If the circuit tests normal, replace the air suspension compressor assembly.
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