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905168 REV G 4/13/15, PG 13 OF 17
On Vintage Air Gen IV systems using factory controls, it is necessary to calibrate the system to your specific
control panel. This procedure ensures that the stroke of your control panel levers or knobs is translated into
precise control of the fan speed, temperature blend and mode door position. Please carefully read and understand
these procedures before beginning. The procedure may be repeated as many times as necessary to get it right.
In preparation for calibration, you will need to attach the supplied white ground jumper wire to a suitable chassis
ground. This jumper wire must be easily connected to the gray programming wire located in the main Gen IV wiring
harness next to the relays. During the calibration procedure, you will connect the white jumper to the gray program
wire, which will “teach” the Gen IV ECU the upper limits of the control levers or knobs. The blower will momentarily
change speeds, signaling that the upper limits have been “learned”. You will move the levers or knobs to opposite
extreme positions of their travel and then disconnect the white jumper. The blower will again change speeds,
signaling that the lower limits have been learned and that the calibration procedure is complete.
Control Panel
Calibration Procedure
Gray
Program Wire
White Jumper
Cable
Содержание 1967-68 CAMARO w/o Factory Air Gen IV
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