Subaru Legacy IV (2008 year). Service manual — part 860
TPM(diag)-26
List of Diagnostic Trouble Code (DTC)
TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)
10.List of Diagnostic Trouble Code (DTC)
A: LIST
DTC
Item
Contents of diagnosis
Remarks
11
Tire 1 air pressure decrease
Tire pressure of tire 1 is reduced.
<Ref. to TPM(diag)-28, DTC 11 TIRE 1 AIR
PRESSURE DECREASE, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
12
Tire 2 air pressure decrease
Tire pressure of tire 2 is reduced.
<Ref. to TPM(diag)-28, DTC 12 TIRE 2 AIR
PRESSURE DECREASE, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
13
Tire 3 air pressure decrease
Tire pressure of tire 3 is reduced.
<Ref. to TPM(diag)-28, DTC 13 TIRE 3 AIR
PRESSURE DECREASE, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
14
Tire 4 air pressure decrease
Tire pressure of tire 4 is reduced.
<Ref. to TPM(diag)-29, DTC 14 TIRE 4 AIR
PRESSURE DECREASE, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
21
Transmitter 1 no data
Data cannot be received from
transmitter 1.
<Ref. to TPM(diag)-29, DTC 21 TRANSMIT-
TER 1 NO DATA, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
22
Transmitter 2 no data
Data cannot be received from
transmitter 2.
<Ref. to TPM(diag)-29, DTC 22 TRANSMIT-
TER 2 NO DATA, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
23
Transmitter 3 no data
Data cannot be received from
transmitter 3.
<Ref. to TPM(diag)-29, DTC 23 TRANSMIT-
TER 3 NO DATA, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
24
Transmitter 4 no data
Data cannot be received from
transmitter 4.
<Ref. to TPM(diag)-30, DTC 24 TRANSMIT-
TER 4 NO DATA, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
31
Transmitter 1 pressure data
abnormal
Transmitter 1 data contents are
abnormal.
<Ref. to TPM(diag)-31, DTC 31 TRANSMIT-
TER 1 PRESSURE DATA ABNORMAL, Diag-
nostic Procedure with Diagnostic Trouble
Code (DTC).>
32
Transmitter 2 pressure data
abnormal
Transmitter 2 data contents are
abnormal.
<Ref. to TPM(diag)-31, DTC 32 TRANSMIT-
TER 2 PRESSURE DATA ABNORMAL, Diag-
nostic Procedure with Diagnostic Trouble
Code (DTC).>
33
Transmitter 3 pressure data
abnormal
Transmitter 3 data contents are
abnormal.
<Ref. to TPM(diag)-31, DTC 33 TRANSMIT-
TER 3 PRESSURE DATA ABNORMAL, Diag-
nostic Procedure with Diagnostic Trouble
Code (DTC).>
34
Transmitter 4 pressure data
abnormal
Transmitter 4 data contents are
abnormal.
<Ref. to TPM(diag)-32, DTC 34 TRANSMIT-
TER 4 PRESSURE DATA ABNORMAL, Diag-
nostic Procedure with Diagnostic Trouble
Code (DTC).>
41
Transmitter 1 function code
abnormal
Function code has error.
<Ref. to TPM(diag)-33, DTC 41 TRANSMIT-
TER 1 FUNCTION CODE ABNORMAL, Diag-
nostic Procedure with Diagnostic Trouble
Code (DTC).>
42
Transmitter 2 function code
abnormal
Function code has error.
<Ref. to TPM(diag)-33, DTC 42 TRANSMIT-
TER 2 FUNCTION CODE ABNORMAL, Diag-
nostic Procedure with Diagnostic Trouble
Code (DTC).>
43
Transmitter 3 function code
abnormal
Function code has error.
<Ref. to TPM(diag)-33, DTC 43 TRANSMIT-
TER 3 FUNCTION CODE ABNORMAL, Diag-
nostic Procedure with Diagnostic Trouble
Code (DTC).>
TPM(diag)-27
List of Diagnostic Trouble Code (DTC)
TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)
44
Transmitter 4 function code
abnormal
Function code has error.
<Ref. to TPM(diag)-34, DTC 44 TRANSMIT-
TER 4 FUNCTION CODE ABNORMAL, Diag-
nostic Procedure with Diagnostic Trouble
Code (DTC).>
51
Transmitter 1 battery voltage
decrease
Transmitter battery voltage is low.
<Ref. to TPM(diag)-35, DTC 51 TRANSMIT-
TER 1 BATTERY VOLTAGE DECREASE,
Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
52
Transmitter 2 battery voltage
decrease
Transmitter battery voltage is low.
<Ref. to TPM(diag)-35, DTC 52 TRANSMIT-
TER 2 BATTERY VOLTAGE DECREASE,
Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
53
Transmitter 3 battery voltage
decrease
Transmitter battery voltage is low.
<Ref. to TPM(diag)-35, DTC 53 TRANSMIT-
TER 3 BATTERY VOLTAGE DECREASE,
Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
54
Transmitter 4 battery voltage
decrease
Transmitter battery voltage is low.
<Ref. to TPM(diag)-35, DTC 54 TRANSMIT-
TER 4 BATTERY VOLTAGE DECREASE,
Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
61
Vehicle speed is abnormal
Vehicle speed signal is not input to
the control module when the vehi-
cle speed is 6 km/h (3.7 MPH) or
more.
<Ref. to TPM(diag)-36, DTC 61 VEHICLE
SPEED IS ABNORMAL, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
DTC
Item
Contents of diagnosis
Remarks
TPM(diag)-28
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)
11.Diagnostic Procedure with Diagnostic Trouble Code (DTC)
A: DTC 11 TIRE 1 AIR PRESSURE DECREASE
NOTE:
Refer to DTC 14 for diagnostic procedure. <Ref. to TPM(diag)-29, DTC 14 TIRE 4 AIR PRESSURE DE-
CREASE, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B: DTC 12 TIRE 2 AIR PRESSURE DECREASE
NOTE:
Refer to DTC 14 for diagnostic procedure. <Ref. to TPM(diag)-29, DTC 14 TIRE 4 AIR PRESSURE DE-
CREASE, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
C: DTC 13 TIRE 3 AIR PRESSURE DECREASE
NOTE:
Refer to DTC 14 for diagnostic procedure. <Ref. to TPM(diag)-29, DTC 14 TIRE 4 AIR PRESSURE DE-
CREASE, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
TPM(diag)-29
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)
D: DTC 14 TIRE 4 AIR PRESSURE DECREASE
DTC DETECTING CONDITION:
Inflation pressure of tires dropped under specifications
NOTE:
For specification, refer to “Tire Pressure Warning Light / Trouble Indicator Light Illumination Pattern”. <Ref.
to TPM(diag)-19, INSPECTION, Tire Pressure Warning Light / Trouble Indicator Light Illumination Pattern.>
TROUBLE SYMPTOM:
Tire pressure warning light illuminates.
CAUTION:
When driving vehicle to perform driving test, there should be always 2 persons (driver and checker)
to check.
E: DTC 21 TRANSMITTER 1 NO DATA
NOTE:
Refer to DTC 24 for diagnostic procedure. <Ref. to TPM(diag)-30, DTC 24 TRANSMITTER 4 NO DATA, Di-
agnostic Procedure with Diagnostic Trouble Code (DTC).>
F: DTC 22 TRANSMITTER 2 NO DATA
NOTE:
Refer to DTC 24 for diagnostic procedure. <Ref. to TPM(diag)-30, DTC 24 TRANSMITTER 4 NO DATA, Di-
agnostic Procedure with Diagnostic Trouble Code (DTC).>
G: DTC 23 TRANSMITTER 3 NO DATA
NOTE:
Refer to DTC 24 for diagnostic procedure. <Ref. to TPM(diag)-30, DTC 24 TRANSMITTER 4 NO DATA, Di-
agnostic Procedure with Diagnostic Trouble Code (DTC).>
Step
Check
Yes
No
1
CHECK TIRES.
Lift up the vehicle and check for damage in the
tires.
Are there cracks or damage?
Replace the tire.
<Ref. to WT-5,
Tire.>
Go to step 2.
2
CHECK TIRES.
Check the tire air pressure.
Is the tire pressure in the speci-
fications?
Go to step 3.
Adjust the air pres-
sure.
3
CHECK TRANSMITTER.
Drive the vehicle at 40 km/h (25 MPH) or faster
and compare the data from the transmitter on
the four wheels.
Is there a transmitter with differ-
ent data?
Replace the trans-
mitter (tire pres-
sure sensor). <Ref.
to WT-11, Tire
Pressure Monitor-
ing System.>
Go to step 4.
4
PERFORM DRIVING TEST.
1) Perform the Clear Memory Mode. <Ref. to
TPM(diag)-9, CLEAR MEMORY, OPERATION,
Subaru Select Monitor.>
2) Perform the driving test. <Ref. to
TPM(diag)-17, PROCEDURE, Inspection
Mode.>
3) Read the DTC. <Ref. to TPM(diag)-8, READ
DIAGNOSTIC TROUBLE CODE (DTC),
OPERATION, Subaru Select Monitor.>
Is DTC displayed?
Inspect using the
“Diagnostic Proce-
dure with Diagnos-
tic Trouble Code
(DTC)”. <Ref. to
TPM(diag)-28,
Diagnostic Proce-
dure with Diagnos-
tic Trouble Code
(DTC).>
Finish the diagno-
sis.
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