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">
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