Subaru Legacy BN/BS (2015-2019) Service Manual: Tire pressure warning light does not come off

Subaru Legacy BN/BS (2015-2019) Service Manual / Tire pressure monitoring system (diagnostics) / Tire pressure warning light trouble indicator light illumination pattern / Tire pressure warning light does not come off

DETECTING CONDITION:

• Defective combination meter

• Tires pressure drop

• Transmitter ID not registered

TROUBLE SYMPTOM:

Tire pressure warning light remains illuminating after engine starts.

STEP	CHECK	YES	NO
1.CHECK DTC. Read the DTC of tire pressure monitoring. Read Diagnostic Trouble Code (DTC)	Is DTC displayed-	Perform the diagnosis according to DTC. List of Diagnostic Trouble Code (DTC)	Tire Pressure Warning Light / Trouble Indicator Light Illumination Pattern > TIRE PRESSURE WARNING LIGHT DOES NOT COME OFF
2.CHECK TRANSMITTER (ID). Confirm the current data display of the tire pressure monitoring. Read Current Data	Is the transmitter ID registered-	Tire Pressure Warning Light / Trouble Indicator Light Illumination Pattern > TIRE PRESSURE WARNING LIGHT DOES NOT COME OFF	Register the transmitter ID. Register Transmitter (ID) > OPERATION
3.CHECK TRANSMITTER DATA OUTPUT. 1) Start the engine. 2) Confirm the current data display «INDICATOR LAMP» of the tire pressure monitoring. Read Current Data	Is “ON” displayed-	Replace the TPMS & keyless entry CM or TPMS CM. Tire Pressure Monitoring System	Replace the combination meter. Combination Meter > REMOVAL

Inspection

(1)Ignition switch(8)Tire inflation pressure warning light (pressure condition)(15)Light OFF(2)OFF(9)Light OFF(16)Blink(3)ON(10)Light ON(17)1 second(4)Start(11)System status(18)Blinks 25 times(5)Tire ...

Tire pressure warning light does not come on

DETECTING CONDITION:Defective combination meterTROUBLE SYMPTOM:When the ignition switch is turned to ON, the tire pressure warning light does not turn on (for approx. 2 seconds).STEPCHECKYESNO1.CHECK ...

Other materials:

Installation
1. Install the front differential assembly to the converter case.NOTE:Be careful not to damage the inside of the case (especially the mounting surface of the differential side retainers).2. Install the bearing outer race.3. Temporarily install the differential side retainers using ST.ST 18658AA02 ...