Subaru Crosstrek Service Manual: Tire pressure warning light is 25 times blinking and turn on

Detecting condition:

• Defective TPMS & keyless entry CM or TPMS CM

• Defective harness

• Transmitter is faulty.

1.CHECK DTC.

Connect the Subaru Select Monitor, and read the Diagnostic Trouble Code. Read Diagnostic Trouble Code (DTC) > OPERATION">

Is diagnostics code (DTC) displayed?

Perform the diagnosis according to the DTC. List of Diagnostic Trouble Code (DTC)">

Tire Pressure Warning Light / Trouble Indicator Light Illumination Pattern > TIRE PRESSURE WARNING LIGHT IS 25 TIMES BLINKING AND TURN ON">Go to Step 2.

2.CHECK LAN COMMUNICATION.

Inspect LAN system. Basic Diagnostic Procedure > PROCEDURE">

Is there any fault?

Repair it according to the diagnosis for LAN system.

Tire Pressure Warning Light / Trouble Indicator Light Illumination Pattern > TIRE PRESSURE WARNING LIGHT IS 25 TIMES BLINKING AND TURN ON">Go to Step 3.

3.CHECK HARNESS.

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:

With keyless access with push button start

(R211) No. 11 — (i171) No. 11:

Is the resistance less than 10 ??

Tire Pressure Warning Light / Trouble Indicator Light Illumination Pattern > TIRE PRESSURE WARNING LIGHT IS 25 TIMES BLINKING AND TURN ON">Go to Step 4.

Repair the harness.

4.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">

Inspection

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