Subaru LEGACY 2006 Manual page 4129

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Tire Pressure Warning Light / Trouble Indicator Light Illumination Pattern
TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)
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.>
2 CHECK TRANSMITTER (ID).
Display the transmitter ID of the tire pressure
monitor system.
3 CHECK TRANSMITTER DATA OUTPUT.
1) Select data display of the tire pressure
monitoring.
2) Start the engine and check the tire pres-
sure warning light output.
4 CHECK HARNESS.
1) Disconnect the tire pressure monitoring
control module connector.
2) Connect the tester to the terminal No. 2 of
the tire pressure monitoring control module
connector (R211)
3) Turn the ignition switch to ON, and mea-
sure the voltage.
Connector & terminal
(R211) No. 2 (+) — Chassis ground (–):
5 CHECK COMBINATION METER.
1) Short the combination meter connector
(i11) No. 6 to chassis ground.
2) Turn the ignition switch to ON.
6 CHECK HARNESS.
1) Disconnect the combination meter connec-
tor (i11).
2) Measure the resistance between the tire
pressure monitoring control module connector
(i11) terminal No. 2 and chassis ground.
Connector & terminal
(i11) No. 2 — Chassis ground:
Check
Is DTC displayed?
Is the transmitter ID regis-
tered?
Is the warning light output ON? Replace the tire
Is the voltage 10 V or more?
Is the tire pressure warning
light lit?
Is the resistance 1 MΩ or
more?
TPM(diag)-24
Yes No
Perform the diag- Go to step 2.
nosis according to
the DTC. <Ref. to
TPM(diag)-27, List
of Diagnostic Trou-
ble Code (DTC).>
Go to step 3. Register the trans-
mitter ID. <Ref. to
TPM(diag)-9,
REGISTER
TRANSMITTER
ID, OPERATION,
Subaru Select
Monitor.>
Go to step 4.
pressure monitor-
ing control module.
<Ref. to WT-11,
TIRE PRESSURE
MONITORING
CONTROL MOD-
ULE, REMOVAL,
Tire Pressure
Monitoring Sys-
tem.>
Go to step 5.
Replace the com-
bination meter.
<Ref. to IDI-14,
REMOVAL, Com-
bination Meter.>
Go to step 6. Repair or replace
the harness hav-
ing the open cir-
cuit, between the
combination meter
connector and the
tire pressure moni-
toring control mod-
ule harness.
Replace the com- Repair or replace
bination meter. the harness con-
<Ref. to IDI-14, nector short cir-
REMOVAL, Com- cuit between the
bination Meter.> combination meter
connector and the
tire pressure moni-
toring control mod-
ule connector.