Grand Cherokee 4WD V8-5.2L VIN Y (1998)
Cabin Temperature Sensor / Switch: Service and Repair
The in-vehicle temperature sensor is used only on models with the optional Automatic Temperature Control (ATC) system.
WARNING: ON VEHICLES EQUIPPED WITH AIR-BAGS, REFER TO AIRBAGS SYSTEM BEFORE ATTEMPTING ANY STEERING
WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. FAILURE TO TAKE THE
PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIR-BAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.
REMOVAL
1. Disconnect and isolate the battery negative cable.
2. Remove the glove box module from the instrument panel. Refer to Glove Box Module in Instrument Panel, Gauges and Warning
Indicators/Instrument Panel Systems for the procedures.
In-Vehicle Temperature Sensor
3. Disconnect the in-vehicle temperature sensor aspirator hose at the in-line splice connector, located under the instrument panel near the passenger
side of the floor panel transmission tunnel.
4. Reach behind the in-vehicle temperature sensor to unplug the wire harness connector from the instrument panel wire harness.
5. Remove the two screws that secure the in-vehicle temperature sensor to the instrument panel.
6. Remove the in-vehicle temperature sensor from the instrument panel.
INSTALLATION
1. Insert the in-vehicle temperature sensor into the instrument panel.
2. Install the two screws that secure the in-vehicle temperature sensor to the instrument panel. Tighten the mounting screws to 2.2 N.m (20 in. lbs.).
3. Plug the in-vehicle temperature sensor wire harness connector into the instrument panel wire harness.
4. Connect the in-vehicle temperature sensor aspirator hose to the in-line splice connector.
5. Reinstall the glove box module to the instrument panel. Refer to Glove Box Module in Instrument Panel, Gauges and Warning
Indicators/Instrument Panel Systems for the procedures.
6. Connect the battery negative cable.
