Circuit/System Testing

2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Circuit/System Testing
WARNING: This page is about a different car, the 2008 Pontiac Torrent and 2008 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the Yaw Rate/Lateral Accelerometer sensor.
  2. Test for less than 1 ohm of resistance between the low reference circuit terminal 5 and ground.
    • If greater than the specified range, test for an open/high resistance in the low reference circuit. If the circuit tests normal, replace the EBCM.
  3. Ignition ON, test for ignition voltage between the ignition circuit terminal 3 and the low reference circuit terminal 5.
    • If not the specified value, test the ignition circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the EBCM.
  4. Ignition OFF, disconnect the harness connector at the EBCM.
  5. Test for infinite resistance between the low reference circuit terminal 29 and ground.
    • If greater than the specified value, test the low reference circuit for a short to ground.
  6. If all circuits test normal, replace the Yaw Rate/Lateral sensor.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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