Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 484

TPM(diag)-13

Inspection Mode

TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)

7. Inspection Mode

A: PROCEDURE

Reproduce the malfunction occurrence condition

as much as possible. Drive the vehicle at 40 km/h

(25 MPH) or faster for at least ten minutes.

TPM(diag)-14

Clear Memory Mode

TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)

8. Clear Memory Mode

A: OPERATION

For details concerning DTC clear operation, refer to

“Subaru Select Monitor”. <Ref. to TPM(diag)-7,

Subaru Select Monitor.>

TPM(diag)-15

Tire Pressure Warning Light / Trouble Indicator Light Illumination Pattern

TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)

9. Tire Pressure Warning Light / Trouble Indicator Light Illumination

Pattern

A: INSPECTION

(1)

Ignition switch

(8)

Tire inflation pressure warning
light (pressure condition)

(15) Light OFF

(2)

OFF

(9)

Light OFF

(16) Blink

(3)

ON

(10) Light ON

(17) 1 second

(4)

Start

(11) System status

(18) Blinks 25 times

(5)

Tire inflation pressure

(12) Normal

(19) 2 seconds

(6)

Meet the specification

(13) Malfunction

(7)

Less than standard value (For the
pressure warning level, refer to
CURRENT DATA.) <Ref. to
TPM(diag)-8, DATA DISPLAY,
OPERATION, Subaru Select Mon-
itor.>

(14) Tire inflation pressure warning

light (system condition)

TPM00071

(2)

(3)

(4)

(3)

(5)

(6)

(7)

(8)

(9)

(10)

(2)

(11)

(12)

(13)

(14)

(15)

(16)

(17)

(19)

(10)

(9)

(19)

(1)

(18)

(10)

(19)

TPM(diag)-16

Tire Pressure Warning Light / Trouble Indicator Light Illumination Pattern

TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)

1) When the tire pressure warning light does not illuminate in accordance with this illumination pattern, there

must be an electrical malfunction.

2) If the tire pressure warning light does not go off, check the TPMS & keyless entry control module/warning

light circuit and the combination meter circuit. <Ref. to TPM(diag)-17, TIRE PRESSURE WARNING LIGHT

DOES NOT COME OFF, Tire Pressure Warning Light / Trouble Indicator Light Illumination Pattern.>
NOTE:

If the problem is fixed while driving at approximately 40 km/h (25 MPH) after the tire pressure warning light

blinks/lights, the warning light goes out and the tire pressure monitor system operates normally. (If there is

a decrease in tire pressure, or a malfunction of the system, the malfunction history is displayed.)

B: TIRE PRESSURE WARNING LIGHT DOES NOT COME ON

DETECTING CONDITION:

Defective combination meter

TROUBLE SYMPTOM:

When the ignition switch is turned to ON, the tire pressure warning light does not turn on (for approx. 2 sec-

onds).

Step

Check

Yes

No

1

CHECK DIAGNOSTIC TROUBLE CODE
(DTC).
Connect the Subaru Select Monitor, and read
the Diagnostic Trouble Code. <Ref. to
TPM(diag)-7, READ DIAGNOSTIC TROUBLE
CODE (DTC), OPERATION, Subaru Select
Monitor.>

Is diagnostics code (DTC) dis-
played?

Perform the diag-
nosis according to
the DTC. <Ref. to
TPM(diag)-20, List
of Diagnostic Trou-
ble Code (DTC).>

Replace the com-
bination meter.
<Ref. to IDI-16,
REMOVAL, Com-
bination Meter.>