Control Settings | System Response | ||||||||
---|---|---|---|---|---|---|---|---|---|
Step | Mode Lever | Temp Control | Fan Switch | Blower Speed | Vent Outlet | Heater Outlet | Defrost Outlets | See Remark | Rear Seat Heat Duct |
1 | VENT | COLD | OFF | Off | No Air Flow | No Air Flow | No Air Flow | -- | No Air |
2 | VENT | COLD | LOW TO HIGH | Low to High | Air Flow | No Air Flow | No Air Flow | B, F, H, J | No Air |
3 | HEAT | HOT | HIGH | High | No Air Flow | Air Flow | Minimum Air Flow | A, D, E | Air |
4 | DEFROST | HOT | HIGH | High | No Air Flow | Minimum Air Flow | Air Flow | A, G | Min Air |
5 | BI-LEVEL | HOT | HIGH | High | Air Flow | Air Flow | No Air Flow | A | Air |
6 | BLEND | HOT | HIGH | High | No Air Flow | Air Flow | Air Flow | A | Air |
REMARK A: Engagement of the detent must be felt in each mode. | |||||||||
REMARK B: Progressive blower speed increase must occur between LO, M1, M2 and HI. | |||||||||
REMARK C: Listen for the reduction of air noise. | |||||||||
REMARK D: Inspect the temperature level for full travel (Hot or Cold). | |||||||||
REMARK E: Inspect for air flow at the side window defogger outlets. | |||||||||
REMARK F: The temperature from the vent outlets should be the same as the temperature outside of the vehicle. | |||||||||
REMARK G: The temperature from the defroster outlets should be above the temperature outside of the vehicle. | |||||||||
REMARK H: Barrels and vanes must hold their position with the fan on high. |
Inspect all of the A/C outlets for the following conditions:
• | Barrel rotation |
• | Vane operation |
Perform each step of the functional test shown on the illustration as one total operation of the roll test with the following conditions in place:
• | The window is up. |
• | The door is closed. |
Note any discrepancies from the remarks listed below.