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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1943 (HVAC System - Manual) >> Diagnostic Information and Procedures >> Blower Motor Malfunction >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Blower Motor Control Module B+ 1 1 - -
Blower Motor B+ 1 1 - -
Blower Motor Speed Control 2 1 1 -
Blower Motor Control 2 1 1 -
Ground - 1 - -
1. Blower Motor Inoperative
2. Blower Motor Always On