Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the HVAC Diagnosis System Check? | -- | Go to Step 2 | Go to A Diagnostic Starting Point in HVAC System - Manual or A Diagnostic System Check in HVAC System - Automatic |
2 | Inspect the coolant level in the radiator and the reservoir. Is the coolant level low? | -- | Go to Cooling System Leak Testing in Engine Cooling | Go to Step 3 |
3 |
Does the coolant temperature increase steadily to the normal operating temperature? | -- | Go to Step 4 | Go to Engine Fails To Reach Normal Operating Temperature in Engine Cooling |
4 | Is the blower motor working properly in all positions? | -- | Go to Step 5 | Go to Symptoms in HVAC System - Manual or Symptoms in HVAC System - Automatic |
5 | Is the air distribution delivery working properly? | -- | Go to Step 6 | Go to Symptoms in HVAC System - Manual or Symptoms in HVAC System - Automatic |
6 | Does the air temperature change with a change in temperature control position? | -- | Go to Step 7 | Go to Symptoms in HVAC System - Manual or Symptoms in HVAC System - Automatic |
7 | Feel the inlet and the outlet hoses of the heater core. Do the inlet and the outlet hoses feel hot and close in temperature? | -- | Go to Step 8 | Go to Step 9 |
8 | The problem is not present at this time. Contact the customer and gain more information about weather and drive conditions to reverify the concern. Did you complete the action? | -- | Go to Step 11 | -- |
9 |
Did you find and correct the condition? | -- | Go to Step 11 | Go to Step 10 |
10 |
Did you complete the repair? | -- | Go to Step 11 | -- |
11 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 |
