Subaru LEGACY 2006 Manual page 3612

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
4 CHECK OUTPUT OF LATERAL G SENSOR
USING SUBARU SELECT MONITOR.
1) Select {Current Data Display & Save} in
Subaru Select Monitor.
2) Read the lateral G sensor output on Subaru
Select Monitor.
5 CHECK POOR CONTACT OF CONNECTOR. Is there poor contact in con-
6 CHECK ABSCM&H/U.
1) Connect all connectors.
2) Perform the Clear Memory Mode.
3) Perform the Inspection Mode.
4) Read the DTC.
7 CHECK OTHER DTC DETECTION.
8 CHECK INFORMATION STORED IN FREEZE
FRAME DATA.
Read the lateral G sensor output on Subaru
Select Monitor.
9 CHECK OPEN CIRCUIT IN LATERAL G SEN-
SOR OUTPUT HARNESS AND GROUND
HARNESS.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from TCM.
3) Measure the resistance between TCM con-
nector terminals.
Connector & terminal
(B55) No. 5 — No. 1:
10 CHECK BATTERY SHORT OF HARNESS.
1) Turn the ignition switch to OFF.
2) Remove the console box.
3) Disconnect the connector from the lateral G
sensor.
4) Disconnect the connector from TCM.
5) Measure the voltage between TCM con-
nector and chassis ground.
Connector & terminal
(B55) No. 6 (+) — Chassis ground (–):
11 CHECK BATTERY SHORT OF HARNESS.
1) Turn the ignition switch to ON.
2) Measure the voltage between TCM con-
nector and chassis ground.
Connector & terminal
(B55) No. 6 (+) — Chassis ground (–):
12 CHECK POOR CONTACT OF CONNECTOR. Is there poor contact in con-
13 CHECK TCM.
1) Connect all connectors.
2) Perform the Clear Memory Mode.
3) Perform the Inspection Mode.
4) Read the DTC.
14 CHECK OTHER DTC DETECTION.
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Check
Is the reading indicated on
monitor display 2.3 to 2.7 V
when lateral G sensor is level?
nector between TCM and lat-
eral G sensor?
Is the same DTC displayed?
Is any other DTC displayed?
Is the reading on monitor dis-
play more than 4.65 V?
Is the resistance between 4.3
and 4.9 kΩ?
Is the voltage less than 1 V?
Is the voltage less than 1 V?
nector between TCM and lat-
eral G sensor?
Is the same DTC displayed?
Is any other DTC displayed?
5AT(diag)-119
Yes No
Go to step 5. Go to step 8.
Repair the con- Go to step 6.
nector.
Go to step 7.
Replace the TCM.
<Ref. to 5AT-56,
Transmission Con-
trol Module
(TCM).>
Perform the diag- Temporary poor
nosis according to contact occurs.
DTC.
Go to step 9. Go to step 15.
Go to step 10. Repair the har-
ness connector
between the lateral
G sensor and
ABSCM&H/U.
Go to step 11. Repair the har-
ness between lat-
eral G sensor and
TCM.
Go to step 12.
Repair the har-
ness between lat-
eral G sensor and
TCM.
Repair the con- Go to step 13.
nector.
Replace the TCM. Go to step 14.
<Ref. to 5AT-56,
Transmission Con-
trol Module
(TCM).>
Perform the diag- Temporary poor
nosis according to contact occurs.
DTC.