TIRE PRESSURE MONITORING SYSTEM SET SWITCH INSPECTION [INDIRECT TIRE PRESSURE MONITORING SYSTEM (TPMS) (WITH TPMS SET SWITCH)]

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Switch Inspection

1.  Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

2.  Remove the TPMS set switch. (See TIRE PRESSURE MONITORING SYSTEM SET SWITCH REMOVAL/INSTALLATION [INDIRECT TIRE PRESSURE MONITORING SYSTEM (TPMS) (WITH TPMS SET SWITCH)].)

3.  Verify that the resistance between the TPMS set switch terminals D and E is as indicated in the table.

•  If not as indicated in the table, replace the TPMS set switch.
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TPMS set switch specification

Terminal

Test condition

Resistance (ohms)
D—E
Switch pressed
189.32—189.64
Switch released
1150.35—1152.63


LED Illumination Light Inspection

1.  Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

2.  Apply battery voltage to TPMS set switch terminal L, and connect terminal K to ground.

3.  Verify that the LED illuminates.

•   If there is any malfunction, replace the TPMS set switch.