Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service 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?
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?
Record the
received ID update
as the FL transmit-
ter. Go to step
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?
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?
Record the
received ID update
as the FR transmit-
ter. Go to step
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?
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?
Record the
received ID update
as the RR transmit-
ter. Go to step
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?
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?
Record the
received ID update
as the RL transmit-
ter. Go to step
9
CHECK MALFUNCTION TRANSMITTER.
Is ID recorded by this proce-
dure?
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?
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?
Record the
received ID update
as the FL transmit-
ter. Go to step
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?
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?
Record the
received ID update
as the FR transmit-
ter. Go to step
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?
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?
Record the
received ID update
as the RR transmit-
ter. Go to step
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?
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?
Record the
received ID update
as the RL transmit-
ter. Go to step
9
CHECK MALFUNCTION TRANSMITTER.
Is ID recorded by this proce-
dure?
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.
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