Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual — part 486

TPM(diag)-21

List of Diagnostic Trouble Code (DTC)

TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)

52

Transmitter 2 Battery Voltage
Decrease

Transmitter battery voltage is low.

<Ref. to TPM(diag)-29, DTC 52 TRANSMITTER 2
BATTERY VOLTAGE DECREASE, Diagnostic Pro-
cedure with Diagnostic Trouble Code (DTC).>

53

Transmitter 3 Battery Voltage
Decrease

Transmitter battery voltage is low.

<Ref. to TPM(diag)-29, DTC 53 TRANSMITTER 3
BATTERY VOLTAGE DECREASE, Diagnostic Pro-
cedure with Diagnostic Trouble Code (DTC).>

54

Transmitter 4 Battery Voltage
Decrease

Transmitter battery voltage is low.

<Ref. to TPM(diag)-30, DTC 54 TRANSMITTER 4
BATTERY VOLTAGE DECREASE, Diagnostic Pro-
cedure 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)-31, DTC 61 VEHICLE SPEED
IS ABNORMAL, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>

DTC

Item

Contents of diagnosis

Remarks

TPM(diag)-22

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)-23, 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)-23, 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)-23, DTC 14 TIRE 4 AIR PRESSURE DE-

CREASE, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

TPM(diag)-23

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 below the specified value.
NOTE:

For the specifications, refer to CURRENT DATA. <Ref. to TPM(diag)-8, DATA DISPLAY, OPERATION, Sub-

aru Select Monitor.>

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)-24, 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)-24, 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)-24, 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.

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-8, Tire Pres-
sure Monitoring
System.>

Go to step

4.

4

PERFORM DRIVING TEST.
1) Perform the Clear Memory Mode. <Ref. to
TPM(diag)-8, CLEAR MEMORY, OPERATION,
Subaru Select Monitor.>
2) Perform a driving test. <Ref. to TPM(diag)-
13, PROCEDURE, Inspection Mode.>
3) Read the DTC. <Ref. to TPM(diag)-7, READ
DIAGNOSTIC TROUBLE CODE (DTC),
OPERATION, Subaru Select Monitor.>

Is DTC displayed?

Inspect by referring
to “Diagnostic Pro-
cedure with Diag-
nostic Trouble
Code (DTC)”.
<Ref. to
TPM(diag)-22,
Diagnostic Proce-
dure with Diagnos-
tic Trouble Code
(DTC).>

Finish the diagno-
sis.

TPM(diag)-24

Diagnostic Procedure with Diagnostic Trouble Code (DTC)

TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)

H: DTC 24 TRANSMITTER 4 NO DATA

DTC DETECTING CONDITION:

Data from each transmitter is not received for 8 minutes.

TROUBLE SYMPTOM:

Tire pressure warning light blinks 25 times and then illuminates.

CAUTION:

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

to check.

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.