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HOMESERVICE MANUALSCHEVROLET1988CAVALIER VL, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONMAINTENANCE REMINDER LIGHT (RESET PROCEDURES)TIRE PRESSURE MONITOR SYSTEM REMINDERTPMS REMINDER RESET - PROCEDURE 36TIRE PRESSURE SENSOR LEARN WITH EL-50448 (ALTERNATIVE)
1988 Chevrolet Cavalier VL, Standard

Tire Pressure Sensor Learn with EL-50448 (Alternative)

1988 Chevrolet Cavalier VL, StandardSECTION Tire Pressure Sensor Learn with EL-50448 (Alternative)

When EL-50448 Tire Pressure Monitor Sensor Activation Tool is used in activate mode, it produces a low frequency transmission that activates the sensor. The sensor responds to a low frequency activation by transmitting in Learn Mode-Remotely Triggered. When the BCM receives a learn mode transmission while in Learn mode, it will assign that sensors ID to the location on the vehicle relative to the order in which it was learned.

NOTE: In the event a particular sensor is activated and the horn does not chirp, it may be necessary to rotate the wheel so that the valve stem is in a different position due to the sensor signal is being blocked by another component. Make sure the TPM tool battery is sufficient to complete TPM learn process. Do not place the TPM tool directly on the valve stem. The TPM tool should be placed against the tire sidewall near the valve stem. The TPM sensor learn activation procedure may have to be repeated up to 3 times before determining a sensor is malfunctioning.
  1. Ignition On/Vehicle in Service Mode, using driver information center buttons or scan tool (if available), initiate the Tire Pressure Sensors Learn mode. A double horn chirp will sound indicating the Learn mode has been enabled. The left front turn signal will also be illuminated.
  2. Starting with the left front tire, activate the sensor by holding the antenna of the tire pressure monitor activation tool aimed upward against the tire sidewall close to the wheel rim at the valve stem location. Press and release the activate button. Ensure that the transmit indicator on the special tool indicates that the sensor activation signal is being transmitted. Wait for a horn chirp. If the horn does not chirp, repeat the sensor activation sequence with the tool. Once the horn chirp has sounded, the sensor information is learned and the turn signal in the next location to be learned will illuminate.
  3. After the horn chirp has sounded and the right front turn signal is illuminated, repeat step 3 for the remaining 3 sensors in the following order:
    1. Right front
    2. Right rear
    3. Left rear
  4. When the left rear sensor has been learned and a double horn chirp has sounded, the learn process is complete and the BCM exits the Learn mode.
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