Subaru Crosstrek Service Manual: Dtc c2521 speed abnormal

DTC DETECTING CONDITION:

Detected when transmitter normal signal is received at a vehicle speed of less than 6 km/h (4 MPH).

Trouble symptom:

Tire pressure warning light blinks 25 times and then illuminates.

Wiring diagram:

Tire Pressure Monitoring System Tire Pressure Monitoring System > WIRING DIAGRAM">

1.CHECK LAN COMMUNICATION.

Inspect LAN system. Basic Diagnostic Procedure > PROCEDURE">

Is there any fault?

Repair it according to the diagnosis for LAN system.

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2521 SPEED ABNORMAL">Go to Step 2.

2.CHECK HARNESS (OPEN CIRCUIT).

Measure the resistance between TPMS & keyless entry CM or TPMS CM and body integrated unit.

Connector & terminal

Without keyless access with push button start

(R221) No. 11 — (i171) No. 11:
(R221) No. 5 — Chassis ground:

With keyless access with push button start

(R211) No. 11 — (i171) No. 11:
(R211) No. 5 — Chassis ground:

Is the resistance less than 10 ??

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2521 SPEED ABNORMAL">Go to Step 3.

Repair the harness.

3.CHECK CONNECTOR.

Check each connector.

Is there poor contact or any other faults?

Repair the connector.

Replace the TPMS & keyless entry CM or TPMS CM. Tire Pressure Monitoring System">

Dtc c2021 tire 1 air pressure low (normal mode)

Dtc c2022 tire 2 air pressure low (normal mode)

Other materials:

Inspection
HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > FRESH/RECIRC Door ActuatorINSPECTION1. CHECK LINK1. Visually check the operation range of the link, and remove the foreign material if any.2. Operate the FRESH/RECIRC switch to check that the link operates normally.3. If it does not operate normally as t ...

Inspection
MANUAL TRANSMISSION AND DIFFERENTIAL(5MT) > Drive Pinion Shaft AssemblyINSPECTIONDisassembled parts should be washed with cleaning solvent first, then inspected carefully.1. BearingReplace the bearings in the following cases.• When the bearing balls, outer races and inner races are broken o ...

System operation
The alarm system will sound the following alarms when triggered. The vehicle's horn will sound for 30 seconds. The hazard warning flashers will flash for 30 seconds. If any of the doors or the rear gate remains open after the 30-second period, the horn will continue to sound for a ma ...