TPMS Indicator Does Not Come On, And No DTCs Are Stored

TPMS Symptom Troubleshooting - TPMS indicator does not come on, and no DTCs are stored

TPMS indicator does not come on, and no DTCs are stored

1. Turn the ignition switch to ON (II), and check the TPMS indicator.

Does the TPMS indicator come on for at least 2 seconds?

YES -

The system is OK at this time.�

NO -

Go to step 2.

2. Connect the HDS and select TPMS.

Does the HDS communicate with the TPMS control unit?

YES -

Go to step 3.

NO -

Go to step 5.

3. Command the system with the HDS to turn the TPMS indicator on.

Does the TPMS indicator come on?

YES -

Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit Service and Repair, and recheck.�

NO -

Go to step 4.

4. Turn the ignition switch to LOCK (0), then turn the ignition switch to ON (II) again and check the low pressure and tire indicators.

Do the indicators come on for several seconds?

YES -

Substitute a known-good gauge control module and recheck.�

NO -

Do the input test for the gauge control module Gauge Control Module Input Test. If necessary, substitute a known-good gauge control module and recheck.�

5. Measure the voltage between TPMS control unit connector A (14P) terminal No. 5 and body ground.





Is there battery voltage?

YES -

Go to step 6.

NO -

There is an open between the under-dash fuse/relay box fuse No. 21 (7.5 A) and the TPMS control unit. Check the No. 21 fuse (7.5 A). If the fuse is OK, repair an open in the wire between the under-dash fuse/relay box and the TPMS control unit.�

6. Measure the voltage between TPMS control unit connector A (14P) terminal No. 3 and body ground.





Is there more than 0.1 V?

YES -

Repair an open in the wire between the TPMS control unit and body ground (G401).�

NO -

Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit Service and Repair, and recheck.�