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