Subaru 2009 IMPREZA Service Manual page 2273

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
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)-10, 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".
2 CHECK FL TRANSMITTER ID.
Check the ID displayed in the updated ID dis-
play and the tire 1 registered ID.
3 START FR TRANSMITTER.
Use the transmitter registration tool and trans-
mit the ID from the FR transmitter to check "Lat-
est reception ID".
4 CHECK FR TRANSMITTER ID.
Check the ID displayed in the updated ID dis-
play and the tire 2 registered ID.
5 START RR TRANSMITTER.
Use the transmitter registration tool and trans-
mit the ID from the RR transmitter to check "Lat-
est reception ID".
6 CHECK RR TRANSMITTER ID.
Check the ID displayed in the updated ID dis-
play and the tire 3 registered ID.
7 START RL TRANSMITTER.
Use the transmitter registration tool and trans-
mit the ID from the RL transmitter to check "Lat-
est reception ID".
8 CHECK RL TRANSMITTER ID.
Check the ID displayed in the updated ID dis-
play and the tire 4 registered ID.
9 CHECK MALFUNCTION TRANSMITTER.
10 CHECK MALFUNCTION TRANSMITTER.
Check the registered ID of the transmitter indi-
cated by DTC.
Check
Is "Latest reception ID"
updated?
Are the two IDs same?
Is "Latest reception ID"
updated?
Are the two IDs same?
Is "Latest reception ID"
updated?
Are the two IDs same?
Is "Latest reception ID"
updated?
Are the two IDs same?
Is ID recorded by this proce-
dure?
Is there checked ID in the
record?
TPM(diag)-32
Yes No
Go to step 2. Replace front left
transmitter.
Go to step 3. Record the
received ID update
as the FL transmit-
ter. Go to step 3.
Go to step 4.
Replace the front
right transmitter.
Go to step 5. Record the
received ID update
as the FR transmit-
ter. Go to step 5.
Go to step 6. Replace the RR
transmitter.
Go to step 7. Record the
received ID update
as the RR transmit-
ter. Go to step 7.
Go to step 8. Replace the RL
transmitter.
Go to step 9. Record the
received ID update
as the RL transmit-
ter. Go to step 9.
Go to step 10. Go to step 1.
Replace the trans- Replace the trans-
mitter of the mitter showing the
recorded position. latest ID that is not
included in the reg-
istered IDs.