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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 850 (Suspension Control System - Suspension Damping) >> Diagnostic Information and Procedures >> DTC C0690: Damper Control Relay Circuit Malfunction >> Test Description

Test Description

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

  1. 2. Tests whether the condition has been corrected or identified as specified in the supporting text.
  2. 3. Tests all 4 low reference circuits of the suspension damper solenoids for an open.
  3. 4. Tests all 4 control circuits of the suspension damper solenoids for an open.
  4. 5. Tests the solenoid ground circuit at the ESC module, should be less than 0.5 ohm.
  5. 7. Clear DTCs and checks to see if DTC will reset.
    Fig 1: DTC C0690 Tests
    G01455650Courtesy of GENERAL MOTORS CORP.
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