Subaru Crosstrek Service Manual: Tire pressure warning light is 25 times blinking and turn on
TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS) > Tire Pressure Warning Light / Trouble Indicator Light Illumination Pattern
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.
Trouble symptom:
Every time the engine starts, 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 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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Auto light sensor sensitivity setting
1. Perform the preparation steps according
to "Preparation for car settings"
2. Operate the " " or "
" switch to
select the "Auto Light Sensor" item. Then
push the button.
3. The current setting will be displayed.
Push the button to enter the
selection
mode.
4. Selec ...
Assembly
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