Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: A constant rush of air is typical of high-speed blower operation. Some systems and modes are noisier than others. Check another similar vehicle, if possible, to determine whether the noise is typical or excessive | ||||
1 |
Does the shaft move with every knob step movement? | -- | Go to Step 2 | Go to Step 3 |
2 |
Is the vehicle reaching the normal operating temperature? | -- | Go to Step 4 | |
3 |
Did the test lamp light? | -- | Go to Step 5 | Go to Step 6 |
4 | Inspect the temperature control door mechanical condition for binding. Does any binding exist? | -- | ||
5 |
Did the test lamp light? | -- | Go to Step 7 | Go to Step 8 |
6 | Repair the open in CKT 141 (ORN) between the temperature control motor and S224. Is the repair complete? | -- | -- | |
7 |
Is the resistance less than the specified value? | 10 ohms | Go to Step 9 | Go to Step 10 |
8 | Repair the open in CKT 1050 (BLK) between the temperature control motor and ground G200. Is the repair complete? | -- | -- | |
9 |
Does the resistance vary within the specified range? | 0-10 K ohms | Go to Step 11 | Go to Step 12 |
10 | Repair the open in CKT 1050 (BLK) from the HVAC control module to G200. Is the repair complete? | -- | -- | |
11 | Use an ohmmeter in order to measure the resistance from the HVAC control module connector C2 CKT 733 (LT BLU) cavity F and the temperature control motor connector CKT 733 (LT BLU) cavity 8. Is the resistance less than the specified value? | 10 ohms | Go to Step 13 | Go to Step 14 |
12 | Replace the HVAC control module. Refer to Control Assembly Replacement . Is the replacement complete? | -- | -- | |
13 | Replace the temperature control motor. Refer to Temperature Actuator Replacement . Is the replacement complete? | -- | -- | |
14 | Repair the open in CKT 733 (LT BLU) between the HVAC control module and the temperature control motor. Is the repair complete? | -- | -- | |
