Subaru Crosstrek Service Manual: Dtc c2521 speed abnormal
TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
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">
| STEP | CHECK | YES | NO |
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)
TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC C2021 TIRE 1 AIR PRESSURE LOW (NORMAL MODE)NOTE:Refer to DTC C2024 for diagnostic procedur ...
Dtc c2022 tire 2 air pressure low (normal mode)
TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC C2022 TIRE 2 AIR PRESSURE LOW (NORMAL MODE)NOTE:Refer to DTC C2024 for diagnostic procedur ...
Other materials:
Removal
FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Fuel TankREMOVALWARNING:Place “NO OPEN FLAMES” signs near the working area.CAUTION:• Be careful not to spill fuel.• Catch the fuel from the tubes using a container or cloth.1. Release the fuel pressure. Fuel > PROCEDURE">2. ...
Removal
FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Engine Control Module (ECM)REMOVAL1. Disconnect the ground cable from battery.2. Remove the glove box. Glove Box > REMOVAL">3. Disconnect the connector from ECM.4. Remove the bolts and nuts, and remove the ECM. ...
Inspection
VEHICLE DYNAMICS CONTROL (VDC) > Front ABS Wheel Speed SensorINSPECTION1. CHECK WITH SUBARU SELECT MONITOR1. Connect the Subaru Select Monitor to data link connector.NOTE:For detailed operation procedures, refer to “Application help”.(1) On «Start» display, select «Diagnosis».(2) ...
