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Home >> Isuzu >> 2006 >> Ascender 2WD V8-5.3L >> Repair and Diagnosis >> Heating and Air Conditioning >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> HVAC - Automatic >> Blower Motor Malfunction

Blower Motor Malfunction



BLOWER MOTOR MALFUNCTION

TEST DESCRIPTION

Step 1 - Step 11:




Step 12 - Step 14:




2. This step verifies that the HVAC control module Fan Up Switch parameter matches the requested state of the blower motor switch.
3. This step verifies that the HVAC control module Fan Down Switch parameter matches the requested state of the blower motor switch.
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