Control Settings | System Response | |||||||
---|---|---|---|---|---|---|---|---|
Mode Lever | Temp Control | Fan Switch | A/C Button | Recirc Button | Heater Outlet | A/C Outlets | Defrost Outlets | See Remark |
VENT | COLD | OFF | OFF | Not Used | No Air Flow | No Air Flow | No Air Flow | |
VENT | COLD | 1 | OFF | Not Used | No Air Flow | Air Flow | No Air Flow | A |
VENT | COLD | 2 to 5 | OFF | Not Used | No Air Flow | Air Flow | No Air Flow | B, C, F, I |
BI-LEVEL | COLD | 2 | OFF | Not Used | Air Flow | Air Flow | No Air Flow | A |
HEATER | HOT | 5 | OFF | Not Used | Air Flow | No Air Flow | Minimum Air Flow | A, D, G |
BLEND | HOT | 5 | OFF | Not Used | Air Flow | No Air Flow | Air Flow | A, G, H |
DEF | HOT | 5 | OFF | Not Used | Minimum Air Flow | No Air Flow | Air Flow | A, G |
VENT | COLD | 5 | ON | Not Used | No Air Flow | Air Flow | No Air Flow | E |
REMARK A - Engagement of the detent must be felt in each mode | ||||||||
REMARK B - Progressive blower speed increase must occur between 1, 2, 3, 4, and 5 | ||||||||
REMARK C - Listen for an increase or a reduction of air noise | ||||||||
REMARK D - Inspect for air flow at side window defogger outlets | ||||||||
REMARK E - At room temperature air from the center A/C outlets should feel cold with the blower speed on 5 | ||||||||
REMARK F - Temperature from the vent outlets should be the same as the temperature out side the vehicle | ||||||||
REMARK G - Temperature from the defroster outlets should be above the temperature outside the vehicle | ||||||||
REMARK H - Slight engine flare should be noted as the A/C compressor clutch engages and disengages | ||||||||
REMARK I - Barrels and vanes must hold position with the fan on high |
The vehicle A/C must be on for a minimum of 90 seconds prior to performing the tests.
Perform each step of the functional tests with the following conditions in place:
• | The windows are up. |
• | The doors are closed. |
Control Settings | System Response | |||||||
---|---|---|---|---|---|---|---|---|
Mode Lever | Temp Control | Fan Switch | A/C Button | Recirc Button | Heater Outlet | A/C Outlets | Defrost Outlets | See Remark |
VENT | COLD | OFF | OFF | OFF | No Air Flow | No Air Flow | No Air Flow | |
VENT | COLD | 1 | OFF | OFF | No Air Flow | Air Flow | No Air Flow | A |
VENT | COLD | 2 to 5 | OFF | OFF | No Air Flow | Air Flow | No Air Flow | B, C, F, I |
BI-LEVEL | COLD | 2 | OFF | OFF | Air Flow | Air Flow | No Air Flow | A |
HEATER | HOT | 5 | OFF | OFF | Air Flow | No Air Flow | Minimum Air Flow | A, D, G |
BLEND | HOT | 5 | OFF | OFF | Air Flow | No Air Flow | Air Flow | A, G, H |
DEF | HOT | 5 | OFF | OFF | Minimum Air Flow | No Air Flow | Air Flow | A, G |
VENT | COLD | 5 | ON | OFF | No Air Flow | Air Flow | No Air Flow | E |
VENT | COLD | 5 | OFF | ON | No Air Flow | Air Flow | No Air Flow | H, J |
REMARK A - Engagement of the detent must be felt in each mode | ||||||||
REMARK B - Progressive blower speed increase must occur between 1, 2, 3, 4, and 5 | ||||||||
REMARK C - Listen for an increase or a reduction of air noise | ||||||||
REMARK D - Inspect for air flow at side window defogger outlets | ||||||||
REMARK E - At room temperature air from the center A/C outlets should feel cold with the blower speed on 5 | ||||||||
REMARK F - Temperature from the vent outlets should be the same as the temperature out side the vehicle | ||||||||
REMARK G - Temperature from the defroster outlets should be above the temperature outside the vehicle | ||||||||
REMARK H - Slight engine flare should be noted as the A/C compressor clutch engages and disengages | ||||||||
REMARK I - Barrels and vanes must hold position with the fan on high | ||||||||
REMARK J - Noticeable increase in air flow noise |
The vehicle A/C must be on for a minimum of 90 seconds prior to performing the tests.
Perform each step of the functional tests with the following conditions in place:
• | The windows are up. |
• | The doors are closed. |