Manual Calibration Procedure

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: This calibration procedure can only be started within the first ten seconds after the ignition switch has been turned from the Off position to the On position. Make sure that the battery is fully charged prior to beginning the calibration procedure.

NOTE: The length of the pause made at each end of the temperature control rotation (sweep) is important. The manual calibration may not occur correctly if the pause is too short (less than 0.5 seconds) or too long (greater than 1.5 seconds).

With the ignition switch in the Off position, move the temperature control to its middle (12 o'clock) position. See Fig 1.
Turn the ignition switch to the On position (do not start the engine).
Within 10 seconds of turning the ignition switch from the Off to the On position, perform the following rotations (sweeps) of the temperature control.
- From the 12 o'clock position, rotate the temperature control counter-clockwise to the full cold position. Pause one second.
- Rotate the control clockwise to the full hot position. Pause one second.
- Rotate the control counter-clockwise to the full cold position. Pause one second.
- Rotate the control clockwise to the full hot position. Pause one second.
- Rotate the control counter-clockwise to the full cold position.

Fig 1: A/C-HEATER TEMPERATURE CONTROL

Courtesy of DAIMLERCHRYSLER CORP.

1 - A/C-HEATER CONTROL

2 - ROTATIONS OF TEMP CONTROL REQUIRED

3 - TEMPERATURE CONTROL