Subaru Legacy BN/BS (2015-2019) Service Manual: Tire pressure monitoring system (diagnostics)
Subaru Legacy BN/BS (2015-2019) Service Manual / Tire pressure monitoring system (diagnostics)
- Basic diagnostic procedure procedure
- Clear memory mode operation
- Electrical component location location
- General diagnostic table inspection
- Inspection mode procedure
- List of diagnostic trouble code (dtc) list
- Read diagnostic trouble code (dtc) operation
- Register transmitter (id) operation
- Control module i o signal
- Diagnostic procedure with diagnostic trouble code (dtc)
- Dtc c2521 speed abnormal
- Dtc c2021 tire 1 air pressure low (normal mode)
- Dtc c2424 transmitter 4 battery voltage low
- Dtc c2423 transmitter 3 battery voltage low
- Dtc c2422 transmitter 2 battery voltage low
- Dtc c2421 transmitter 1 battery voltage low
- Dtc c2324 transmitter 4 function code abnormal
- Dtc c2323 transmitter 3 function code abnormal
- Dtc c2322 transmitter 2 function code abnormal
- Dtc c2321 transmitter 1 function code abnormal
- Dtc c2224 transmitter 4 pressure data abnormal
- Dtc c2223 transmitter 3 pressure data abnormal
- Dtc c2222 transmitter 2 pressure data abnormal
- Dtc c2221 transmitter 1 pressure data abnormal
- Dtc c2124 transmitter 4 no data
- Dtc c2123 transmitter 3 no data
- Dtc c2122 transmitter 2 no data
- Dtc c2121 transmitter 1 no data
- Dtc c2024 tire 4 air pressure low (normal mode)
- Dtc c2023 tire 3 air pressure low (normal mode)
- Dtc c2022 tire 2 air pressure low (normal mode)
- General description
- Read current data
- Subaru select monitor
- Tire pressure warning light trouble indicator light illumination pattern
List
System operation check modeNoteGREEN LED LightingGREEN LED illuminates/flashes/goes off.GREEN LED FlashingGREEN LED OFFRED LED LightingRED LED illuminates/flashes/goes off.RED LED FlashingRED LED OFFS ...
Basic diagnostic procedure procedure
CAUTION:Remove foreign matter (dust, water, oil, etc.) from the TPMS & keyless entry CM connector or TPMS CM connector during removal and installation.NOTE:To check harness for open or short circuits, ...
Other materials:
Radio waves used for the keyless access with push-button start system
The keyless access with push-button start
system uses radio waves of 134 kHz, in
addition to the radio waves used for the
remote keyless entry system. The radio
waves are periodically output from the
antennas installed on the vehicle as
shown in the following illustrations.
Legacy
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