Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

IMPROPER AIR CIRCULATION - DIAGNOSTIC PROCEDURE

STEP	INSPECTION		ACTION
1	INSPECT BLOWER UNIT AIR INTAKE SYSTEM Inspect blower unit air intake links, air intake cranks, and wire clamp. Is there grease on links and cranks? Are links and cranks securely and properly positioned? Is wire clamp free of deformation? Are above items okay?	Yes	Go to next step.
1		No	Apply grease or install links and cranks properly and securely, repair or replace wire clamp, then go to Step 6.
2	VERIFY THAT AIR INTAKE WIRE FROM BLOWER UNIT IS POSITIONED SECURELY AND CORRECTLY Is air intake wire positioned securely and correctly in relation to the blower unit's air intake links?	Yes	Go to next step.
2		No	Adjust air intake wire or install securely in correct position, then go to Step 6.
3	INSPECT CLIMATE CONTROL UNIT Inspect climate control unit. Is air intake wire positioned securely and correctly in relation to the climate control unit's link? Is wire clamp free of deformation? Are above items okay?	Yes	Go to next step.
3		No	Install air intake wire securely in correct position, repair or replace wire clamp, then go to Step 6.
4	INSPECT BLOWER UNIT AIR INTAKE DOOR Is there any foreign material or obstruction in blower unit air intake door?	Yes	Remove obstruction, then go to Step 6.
4		No	Go to next step.
5	VERIFY THAT AIR INTAKE DOOR WITHIN BLOWER UNIT IS POSITIONED SECURELY AND PROPERLY Is blower unit air intake door securely and properly positioned?	Yes	Check air intake door for cracks or damage, then go to next step.
5		No	Install air intake door securely in proper position, then go to next step.
6	VERIFY THAT MALFUNCTION SYMPTOM DOES NOT OCCUR AFTER REPAIR Does air circulate?	Yes	Troubleshooting completed. Explain repairs to customer.
6		No	Recheck malfunction symptoms, then repeat from Step 1 if malfunction recurs.