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Home >> Hummer >> 2008 >> H3 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 230 (Engine Controls And Fuel - 4.4L - DTC P0010 To DTC P0158) >> DTC P0033 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Static Test

  1. Ignition OFF, disconnect the harness connector at the SCB solenoid.
  2. Test for 30-55 ohms between the control terminal and the voltage supply terminal of the SCB solenoid.
    • If the resistance is not within the specified range, replace the SCB solenoid.

Dynamic Test

  1. Install a 3A fused jumper wire between the ignition supply circuit terminal and 12 volts. Install a jumper wire between the control terminal and ground.
  2. Toggle the jumper wire between the control terminal and ground.
  3. Feel and listen for the operation of the SCB solenoid.
    • If the function does not perform as specified, replace the SCB solenoid.
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