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

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 on

DETECTING CONDITION:

Defective combination meter

TROUBLE SYMPTOM:

When the ignition switch is turned to ON, the tire pressure warning light does not turn on (for approx. 2 seconds).

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)	Replace the combination meter. Combination Meter > REMOVAL

Tire pressure warning light does not come off

DETECTING CONDITION:• Defective combination meter• Tires pressure drop• Transmitter ID not registeredTROUBLE SYMPTOM:Tire pressure warning light remains illuminating after engine sta ...

Transfer case

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NOTE:Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedure. Basic Diagnostic Procedure1. OUTLINE OF DIAGNOSIS• Detect malfunction of CAN communication.• Judge as NG when CAN communication failure occurs with the stereo camera.2. EXECUTION CONDITIONSecondary Parameters ...