Too Hot in Vehicle
WARNING: This page is about a different car, the 2008 Suzuki Swift +, 2008 Pontiac Wave, and 2008 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic Trouble Code (DTC) List - Vehicle |
| 2 | Observe the blower motor operation. Is the blower motor functioning at all? |
Go to Step 3 | Go to Blower Motor Inoperative |
| 3 | Use the blower push switch to cycle the blower through its different speeds. Does the motor function at different speeds? |
Go to Step 4 | Go to Blower Motor Inoperative |
| 4 |
|
Go to Step 6 | Go to Step 5 |
| 5 |
|
System OK | Go to Step 8 |
| 6 | Observe the air mix door motor (AMD) while changing the temperature setting from 18-32°C (64-90°F) and then from 32-18°C (90-64°F). Is the AMD motor functioning properly? |
Go to Step 7 | Go to DTC 4 |
| 7 | Perform the checks found in HVAC preliminary checks. Refer to HVAC Preliminary Checks
. Is the system operating normally now? |
System OK | Go to Step 8 |
| 8 |
|
Go to Step 11 | Go to Step 9 |
| 9 | Inspect the intake hose for the in-car sensor. Is the hose in good condition? |
Go to Step 11 | Go to Step 10 |
| 10 | Repair or replace the intake hose. Is the repair complete? |
System OK | - |
| 11 | Inspect the in-car sensor. Refer to DTC 1 . Is there a problem indicated in the sensor, the sensor wiring, or the controller? |
Go to Step 12 | Go to Step 13 |
| 12 | Repair or replace the sensor, the wiring, or the controller as required. Is the repair complete? |
System OK | - |
| 13 | Inspect the ambient air temperature sensor. Refer to DTC 2 . Is there a problem indicated in the sensor, the sensor wiring, or the controller? |
Go to Step 14 | Go to Step 15 |
| 14 | Repair or replace the sensor, the wiring, or the controller, as required. Is the repair complete? |
System OK | - |
| 15 | Inspect the sun sensor. Refer to DTC 5 . Is there a problem indicated in the sensor, the sensor wiring, or the controller? |
Go to Step 14 | Go to Step 16 |
| 16 | Perform the coolant temperature sensor test. Is the coolant temperature sensor malfunctioning? |
Go to Step 17 | Go to Step 18 |
| 17 | Replace the coolant temperature sensor. Is the repair complete? |
System OK | - |
| 18 | Replace the air temperature controller (ATC). Refer to Heater and Air Conditioning Control Replacement . Is the repair complete? |
System OK | - |