Grand Caravan FWD V6-3.3L VIN 3 Flex Fuel (2002)
There are two conditions that will cause a Tire Pressure Monitoring System fault to be set. All fault codes are associated with a specific wheel
location.
1. If the EVIC detects a non-transmitting Sensor/Transmitter condition, it will:
a. Store an active fault code.
b. Request a chime
c. Display "SERVICE TIRE PRESS. SYSTEM".
2. When the EVIC receives a Low Sensor/ Transmitter battery report from a Sensor / Transmitter, it will:
a. Store an active fault code.
b. Request a chime.
c. Display "SERVICE TIRE PRESS. SYSTEM".
Use the DRBIII(R) Inputs/Outputs function to further isolate the specific concern. The DRBIII(R) can be queried to determine the status and battery
condition for each Sensor/Transmitter.
SPARE WHEEL AUTO-DETECT
If the spare tire is mounted on the vehicle, the EVIC will:
1. Detect the change after 15 minutes at or above 32 km/h (20 mph)
2. Query driver: "SPARE TIRE IN USE?" Use the MENU button for YES, and the STEP button for NO. For S, the EVIC will revert to the previous
display and wait five hours. After five hours the EVIC will proceed as in the NO response below.
3. For a NO response, after 15 minutes, the EVIC will display: "ALL 5 TIRES W/VEHICLE? Y" Use the STEP button to select YES or NO, and the
MEN button to confirm.
For a "YES" response, the EVIC will display "SERVICE TIRE PRESS. SYSTEM".
For a "NO" response, the EVIC will revert to previous display and display "ALL 5 TIRES W/VEHICLE ? Y" every time the ignition is cycled to
RUN and the missing tire ID is not received.
DIAGNOSING AND CLEARING SYSTEM FAULTS
All Tire Pressure Monitoring System Faults are specific to one location. If a no-transmit, "LOW BATTERY", "LOW or HIGH PRESSURE" fault is
detected, the location can be determined by the DRBIII(R). The appropriate Sensor/Transmitter can then be replaced or the out-of-specification
pressure condition can be corrected.
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If a single Sensor/Transmitter cannot be detected by the EVIC, replace that Sensor/Transmitter.
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If none of the Sensor/Transmitters can be detected, refer to symptoms in the Tire Pressure Monitor section.
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If a BUCKET COUNTER test fails, and one or more Sensor/Transmitters does not transmit, replace the affected Sensor/Transmitter.
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If none of the Sensor/Transmitter causes the BUCKET COUNTER to advance, replace the EVIC.
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If the EVIC displays SERVICE TIRE PRESS. SYSTEM and the DRBIII(R) sees no Sensor/Transmitter fault or pressure out of specification:
1. Attempt the Retrain procedure.
2. If the display reoccurs, replace the EVIC.
SYSTEM TEST
A test of the Tire Pressure Monitoring System can be initiated in the EVIC. The test sequence is as follows:
1. Perform the RETRAIN TIRE SENSORS procedure.
2. Press and hold the RESET and STEP buttons for five seconds.
3. The EVIC will display BUCKET COUNTERS.
4. Drive the vehicle at 32 km/h (20 mph) for at least 2 minutes.
5. The counters will increase by one each time a Sensor/Transmitter signal is received by the EVIC.
6. Observe that the COUNTERS register at least 3 receptions for each Sensor/Transmitter.
7. Replace any Sensor/Transmitter that does not meet this specification.
The test will continue until any EVIC button is pressed or until the ignition is cycled to OFF.
