Subaru 2009 IMPREZA Service Manual page 2262

Tire Pressure Warning Light / Trouble Indicator Light Illumination Pattern
B: TIRE PRESSURE WARNING LIGHT DOES NOT COME ON
DETECTING CONDITION:
Defective combination meter
TROUBLE SYMPTOM:
When the ignition switch is turned to ON (engine OFF), the tire pressure warning light does not come on (for
approximately 2 seconds).
WIRING DIAGRAM:
COMBINATION
METER
i10
R211
1 2 3 4 5 6
7 8 9 10 11 12
Step
1 CHECK DIAGNOSTIC TROUBLE CODE
(DTC).
Connect the Subaru Select Monitor, and read
the Diagnostic Trouble Code. <Ref. to
TPM(diag)-8, READ DIAGNOSTIC TROUBLE
CODE (DTC), OPERATION, Subaru Select
Monitor.>
TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)
TO POWER SUPPLY CIRCUIT
FB-36 FB-17
F/B FUSE NO.5 F/B FUSE NO. 7
(IG)
TIRE INFLATION
PRESSURE
WARNING LIGHT
DRIVE
CIRCUIT
MICRO COMPUTER
i53
R98
R211 TPM CONTROL MODULE
i53
1 2 3 4 5 6 7
8 9 10 11 12 13 14 15 16
Is diagnostics code (DTC) dis-
played?
TPM(diag)-21
FB-48
F/B FUSE NO. 4
(B) (IG)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
Check
i10
Yes No
Perform the diag- Replace the com-
nosis according to bination meter.
the DTC. <Ref. to <Ref. to IDI-16,
TPM(diag)-26, List REMOVAL, Com-
of Diagnostic Trou- bination Meter.>
ble Code (DTC).>
TPM00051