System Response Chart
CJ2 Test Requirements
The following conditions must be met before you can perform the functional checks:
1. The engine must be running.
2. The engine temperature must be at least 63°C (145°F).
3. You must start from the AUTO mode.
The passenger temperature control is over-ridden and AUTO will not be displayed if:
- The driver set temperature of 60°F is selected.
- The driver set temperature of 90°F is selected.
The outside air temperature display is updated when:
- The air temperature is decreasing.
- The air temperature is increasing and the vehicle speed stays between 20 and 45 mph for 90 seconds.
- The air temperature is increasing and the vehicle speed stays above 45 mph for 60 seconds.
When the outside air temperature is less than 35°F, the A/C compressor will not engage.
When the outside air temperature is between 35°F and 45°F, the A/C compressor might not engage.
IMPORTANT: You must begin this test in the AUTO MODE.