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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Transmission >> Transfer Case >> Transfer Case - NVG 233-NP1 (Two Speed SELECTABLE) Service >> Diagnostic Information and Procedures >> DTC 001 >> Test Description

Test Description

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

2. This step inspects the CTSY LP fuse for an open.

3. This step test the battery positive voltage circuit, CKT 40, for an open or high resistance.

4. This step rechecks the CTSY LP fuse for an open.

5. This step tests the battery positive voltage circuit, CKT 40, for a short to ground.

Fig 1: DTC 001
G01671057Courtesy of GENERAL MOTORS CORP.