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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1778 (Rear Wheel Steering System) >> Diagnostic Information and Procedures >> DTC C0186: Lateral Accelerometer Circuit Malfunction >> Test Description

Test Description

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The numbers below refer to the step numbers on the diagnostic table.

  1. 3. Table for the proper operation of the circuit in the high voltage range.
  2. 4. Test for the proper operation of the circuit in the low voltage range. If the fuse in the jumper opens when you perform this test, the signal circuit is shorted to voltage.
  3. 5. Test for a short to ground in the 5 volt reference circuit.
    Fig 1: DTC C0186 (Step 1-7)
    G01455266Courtesy of GENERAL MOTORS CORP.
    Fig 2: DTC C0186 (Step 8-15)
    G01455267Courtesy of GENERAL MOTORS CORP.
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