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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1305 (Cruise Control System) >> Diagnostic Information and Procedures >> DTC 012 >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Pontiac Vibe. 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.

2. This step tests the resistance of the cruise control servo magnetic clutch circuit.

4. This step tests the stop lamp switch.

7. This step tests the cruise control actuator arm for free movement with the magnetic clutch de-energized.

8. This step tests the cruise control actuator arm for a malfunction with the magnetic clutch energized.

Fig 1: DTC 012 Diagnostic Specifications (1 Of 2)
G01434241Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC 012 Diagnostic Specifications (2 Of 2)
G01434242Courtesy of GENERAL MOTORS CORP.
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