Table of Contents
Advertisement
24 - 12
HEATING AND AIR CONDITIONING
REMOVAL AND INSTALLATION
MODE DOOR ACTUATOR MOTOR
NOTE: If battery voltage is low or not sensed at the
actuator/motor for less than a (60) second interval,
the actuator/motor will be out of calibration.
Remove the M1 (I.O.D.) fuse for a minimum of (60)
seconds. The actuator/motor will then self calibrate
itself upon reinstallation of fuse.
The mode door actuator is an electric motor. It
mechanically positions the A/C unit panel/bi-level
door and the floor/defrost door. Prior to part replace-
ment, re-calibration of the HVAC actuator is recom-
mended. Calibration is performed by disconnecting
the battery negative cable or the removal of the
instrument panel M-1 fuse. Electrical power should
be re-established after (60) seconds which will auto-
matically initiate the software calibration procedure.
If this procedure fails, it will be necessary to replace
the mode door actuator/motor. The mode door actua-
tor/motor is not serviceable and must be replaced if
found to be defective.
The mode door actuator is located on the upper left
side of the A/C- Heater housing (Fig. 8).
Fig. 8 Mode Door Motor Location
REMOVAL
(1) Disconnect battery negative cable.
(2) Remove left underpanel silencer/duct.
(3) Remove electrical connection on actuator (Fig.
9).
(4) Remove actuator retaining screws. Then pull
actuator straight down. Upon removal, note the shaft
position of the actuator, because the shaft on this
motor is keyed. When installing new actuator, its
shaft must be positioned in the same location.
INSTALLATION
For installation, reverse the above procedures.
Fig. 9 Mode Motor Connector
A/C PRESSURE TRANSDUCER
CAUTION: A/C pressure transducer switch connec-
tor terminal contacts can be damaged by probing
tools during system diagnosis and repair. Failure to
use their respective mating terminals or pin gauge
to check for tightness will cause contact beam
spreads. This will result in loss of continuity.
NOTE: O-ring replacement is required whenever the
pressure transducer is serviced. Be sure to use the
O-ring specified for this vehicle.
REMOVAL
(1) If equipped with a 2.4L engine, hoist vehicle.
(2) Disconnect the wire harness connector from the
A/C pressure transducer.
NOTE: A slight release of pressure trapped in the
fitting may be experienced. It is not necessary to
discharge the refrigerant system.
(3) Remove the transducer with a counterclockwise
rotation using a 14 mm open-end wrench (Fig. 10)
and (Fig. 11).
INSTALLATION
For installation, reverse above procedures. Tighten
pressure transducer to 6 N·m (50 in. lbs.).
BLOWER MOTOR AND WHEEL ASSEMBLY
The blower motor is located on the right side of the
heater housing.
JA
Advertisement
Chapters
Table of Contents
