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:
Inspection
1. Remove the bulkhead harness connector from TCM. Transmission Control Module (TCM) > REMOVAL2. Set the ST between the TCM and bulkhead harness.ST 18460AA040CHECK BOARD3. Set the probe of oscilloscope to the check board connector.Terminals:No. 13 (+) — No. 26 (−)(A)+ probe(B)− pro ...
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