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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 630 (Electronic Suspension System - Automatic Level Control) >> Diagnostic Information And Procedures >> DTC C0660: Level Control Exhaust Valve Circuit Malfunction >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

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

  1. 2. Listen for an audible click when the exhaust solenoid operates. Command both the ON and OFF states. Repeat the commands as necessary.
  2. 5. Tests if ground is constantly being applied to the solenoid.
Fig 1: DTC C0660
G01582119Courtesy of GENERAL MOTORS CORP.
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