LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 663 (Transfer Case - NVG 246-NP8 (2-Speed Automatic)) >> Diagnostic Information & Procedures >> DTC C0310: Open In The Motor Control A Or Motor Control B Circuits, Or An Open Motor >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. 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 motor noise when the encoder motor operates. Command both the ON and OFF states. Repeat the commands as necessary.
  2. 3)  - Tests the for a higher than normal resistance in the Motor Control A and B circuits and through the module.
  3. 4)  - Tests the Motor Feed A circuit for an open or high resistance.
  4. 5)  - Tests the Motor Feed B circuit for an open or high resistance.
  5. 6)  - Tests for continuity across the motor circuit.
Fig 1: DTC C0310 Diagnosis
G01668670Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals