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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (HVAC System - Automatic) >> Diagnostic Information and Procedures >> Blower Motor Malfunction >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, switch the Climate Control System to the manual setting. Turn the fan speed control knob from the lowest to highest setting. The blower motor speed should change between commanded states.
  2. Turn the blower speed control knob to the "O" position. The blower motor should turn OFF.
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