Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual — part 487

TPM(diag)-25

Diagnostic Procedure with Diagnostic Trouble Code (DTC)

TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)

I: DTC 31 TRANSMITTER 1 PRESSURE DATA ABNORMAL

NOTE:

Refer to DTC 34 for diagnostic procedure. <Ref. to TPM(diag)-26, DTC 34 TRANSMITTER 4 PRESSURE

DATA ABNORMAL, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

J: DTC 32 TRANSMITTER 2 PRESSURE DATA ABNORMAL

NOTE:

Refer to DTC 34 for diagnostic procedure. <Ref. to TPM(diag)-26, DTC 34 TRANSMITTER 4 PRESSURE

DATA ABNORMAL, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

K: DTC 33 TRANSMITTER 3 PRESSURE DATA ABNORMAL

NOTE:

Refer to DTC 34 for diagnostic procedure. <Ref. to TPM(diag)-26, DTC 34 TRANSMITTER 4 PRESSURE

DATA ABNORMAL, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

TPM(diag)-26

Diagnostic Procedure with Diagnostic Trouble Code (DTC)

TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)

L: DTC 34 TRANSMITTER 4 PRESSURE DATA ABNORMAL

DTC DETECTING CONDITION:

• When comparing the data from each transmitter to the previous data, the change is large.

• The pressure exceeds what the transmitter can measure. (Excessive pressure)

TROUBLE SYMPTOM:

Tire pressure warning light blinks 25 times and then illuminates.

Step

Check

Yes

No

1

START FL TRANSMITTER.
1) Connect the Subaru Select Monitor and
then turn the ignition switch to ON.
2) Select “Transmit ID data monitor”. <Ref. to
TPM(diag)-9, DISPLAY TRANSMITTER (ID),
OPERATION, Subaru Select Monitor.>
3) Use the transmitter registration tool and
transmit the ID from the FL transmitter to check
“Latest reception ID”.

Is “Latest reception ID”
updated?

Go to step

2.

Replace front left
transmitter.

2

CHECK FL TRANSMITTER ID.
Check the ID displayed in the updated ID dis-
play and the tire 1 registered ID.

Are the two IDs same?

Go to step

3.

Record the
received ID update
as the FL transmit-
ter. Go to step

3.

3

START FR TRANSMITTER.
Use the transmitter registration tool and trans-
mit the ID from the FR transmitter to check “Lat-
est reception ID”.

Is “Latest reception ID”
updated?

Go to step

4.

Replace the front
right transmitter.

4

CHECK FR TRANSMITTER ID.
Check the ID displayed in the updated ID dis-
play and the tire 2 registered ID.

Are the two IDs same?

Go to step

5.

Record the
received ID update
as the FR transmit-
ter. Go to step

5.

5

START RR TRANSMITTER.
Use the transmitter registration tool and trans-
mit the ID from the RR transmitter to check “Lat-
est reception ID”.

Is “Latest reception ID”
updated?

Go to step

6.

Replace the RR
transmitter.

6

CHECK RR TRANSMITTER ID.
Check the ID displayed in the updated ID dis-
play and the tire 3 registered ID.

Are the two IDs same?

Go to step

7.

Record the
received ID update
as the RR transmit-
ter. Go to step

7.

7

START RL TRANSMITTER.
Use the transmitter registration tool and trans-
mit the ID from the RL transmitter to check “Lat-
est reception ID”.

Is “Latest reception ID”
updated?

Go to step

8.

Replace the RL
transmitter.

8

CHECK RL TRANSMITTER ID.
Check the ID displayed in the updated ID dis-
play and the tire 4 registered ID.

Are the two IDs same?

Go to step

9.

Record the
received ID update
as the RL transmit-
ter. Go to step

9.

9

CHECK MALFUNCTION TRANSMITTER.

Is ID recorded by this proce-
dure?

Go to step

10.

Go to step

1.

10

CHECK MALFUNCTION TRANSMITTER.
Check the registered ID of the transmitter indi-
cated by DTC.

Is there checked ID in the
record?

Replace the trans-
mitter of the
recorded position.

Replace the trans-
mitter showing the
latest ID that is not
included in the reg-
istered IDs.

TPM(diag)-27

Diagnostic Procedure with Diagnostic Trouble Code (DTC)

TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)

M: DTC 41 TRANSMITTER 1 FUNCTION CODE ABNORMAL

NOTE:

Refer to DTC 44 for diagnostic procedure. <Ref. to TPM(diag)-28, DTC 44 TRANSMITTER 4 FUNCTION

CODE ABNORMAL, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

N: DTC 42 TRANSMITTER 2 FUNCTION CODE ABNORMAL

NOTE:

Refer to DTC 44 for diagnostic procedure. <Ref. to TPM(diag)-28, DTC 44 TRANSMITTER 4 FUNCTION

CODE ABNORMAL, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

O: DTC 43 TRANSMITTER 3 FUNCTION CODE ABNORMAL

NOTE:

Refer to DTC 44 for diagnostic procedure. <Ref. to TPM(diag)-28, DTC 44 TRANSMITTER 4 FUNCTION

CODE ABNORMAL, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

TPM(diag)-28

Diagnostic Procedure with Diagnostic Trouble Code (DTC)

TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)

P: DTC 44 TRANSMITTER 4 FUNCTION CODE ABNORMAL

DTC DETECTING CONDITION:

Unexpected function codes received from each transmitter.

TROUBLE SYMPTOM:

Tire pressure warning light blinks 25 times and then illuminates.

Step

Check

Yes

No

1

START FL TRANSMITTER.
1) Connect the Subaru Select Monitor and
then turn the ignition switch to ON.
2) Select “Transmit ID data monitor”. <Ref. to
TPM(diag)-9, DISPLAY TRANSMITTER (ID),
OPERATION, Subaru Select Monitor.>
3) Use the transmitter registration tool and
transmit the ID from the FL transmitter to check
“Latest reception ID”.

Is “Latest reception ID”
updated?

Go to step

2.

Replace front left
transmitter.

2

CHECK FL TRANSMITTER ID.
Check the ID displayed in the updated ID dis-
play and the tire 1 registered ID.

Are the two IDs same?

Go to step

3.

Record the
received ID update
as the FL transmit-
ter. Go to step

3.

3

START FR TRANSMITTER.
Use the transmitter registration tool and trans-
mit the ID from the FR transmitter to check “Lat-
est reception ID”.

Is “Latest reception ID”
updated?

Go to step

4.

Replace the front
right transmitter.

4

CHECK FR TRANSMITTER ID.
Check the ID displayed in the updated ID dis-
play and the tire 2 registered ID.

Are the two IDs same?

Go to step

5.

Record the
received ID update
as the FR transmit-
ter. Go to step

5.

5

START RR TRANSMITTER.
Use the transmitter registration tool and trans-
mit the ID from the RR transmitter to check “Lat-
est reception ID”.

Is “Latest reception ID”
updated?

Go to step

6.

Replace the RR
transmitter.

6

CHECK RR TRANSMITTER ID.
Check the ID displayed in the updated ID dis-
play and the tire 3 registered ID.

Are the two IDs same?

Go to step

7.

Record the
received ID update
as the RR transmit-
ter. Go to step

7.

7

START RL TRANSMITTER.
Use the transmitter registration tool and trans-
mit the ID from the RL transmitter to check “Lat-
est reception ID”.

Is “Latest reception ID”
updated?

Go to step

8.

Replace the RL
transmitter.

8

CHECK RL TRANSMITTER ID.
Check the ID displayed in the updated ID dis-
play and the tire 4 registered ID.

Are the two IDs same?

Go to step

9.

Record the
received ID update
as the RL transmit-
ter. Go to step

9.

9

CHECK MALFUNCTION TRANSMITTER.

Is ID recorded by this proce-
dure?

Go to step

10.

Check again. Go to
step

1.

10

CHECK MALFUNCTION TRANSMITTER.
Check the registered ID of the transmitter indi-
cated by DTC.

Is there checked ID in the
record?

Replace the trans-
mitter of the
recorded position.

Replace the trans-
mitter showing the
latest ID that is not
included in the reg-
istered IDs.