Honda Civic manuals

Subaru Legacy Service Manual: Dtc c2024 tire 4 air pressure low (normal mode)

DTC DETECTING CONDITION:

Inflation pressure of tires dropped below the specified value.

NOTE:

For the specifications, refer to “CURRENT DATA”. Read Current Data > LIST

TROUBLE SYMPTOM:

Tire pressure warning light illuminates.

STEPCHECKYESNO

1.CHECK TIRES.

Lift up the vehicle and check for damage in the tires.

Are there cracks or damage-

Replace the tire.

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2024 TIRE 4 AIR PRESSURE LOW (NORMAL MODE)

2.CHECK TIRES.

Check the tire air pressure.

Is the tire pressure in the specifications-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2024 TIRE 4 AIR PRESSURE LOW (NORMAL MODE)

Adjust the air pressure.

3.CHECK TRANSMITTER DATA.

1) Drive at 40 km/h (25 MPH) or more.

2) Confirm the current data «Tire 1 air pressure»«Tire 2 air pressure»«Tire 3 air pressure»«Tire 4 air pressure» of the tire pressure monitor. Read Current Data

Is there a transmitter with different display-

Replace the transmitter (tire pressure sensor) with different display. Tire Pressure Monitoring System

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2024 TIRE 4 AIR PRESSURE LOW (NORMAL MODE)

4.PERFORM DRIVING TEST.

1) Perform the Clear Memory Mode. Clear Memory Mode > OPERATION

2) Perform a driving test. Inspection Mode > PROCEDURE

3) Read the DTC of tire pressure monitoring. Read Diagnostic Trouble Code (DTC)

Is the same DTC displayed-

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

Even if the DTC is displayed, the system has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.

CAUTION:

When driving vehicle to perform driving test, there should be always 2 persons (driver and checker) to check.

Dtc c2121 transmitter 1 no data
NOTE:Refer to DTC C2124 for diagnostic procedure. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA ...

Dtc c2023 tire 3 air pressure low (normal mode)
NOTE:Refer to DTC C2024 for diagnostic procedure. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2024 TIRE 4 AIR PRESSURE LOW (NORMAL MODE) ...

Other materials:

Disassembly
1. Using a flat tip screwdriver or pliers, loosen the boot band on the large end of DOJ boot.CAUTION:Be careful not to damage the boot.2. Remove the boot band on the small end of DOJ boot in the same manner.3. Remove the large end of DOJ boot from DOJ outer race.4. Remove the round snap ring at the ...

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