Subaru B9 TRIBECA WX 2007 Manual page 608

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
11 CHECK HARNESS CONNECTOR BETWEEN
BODY INTEGRATED UNIT AND CHASSIS
GROUND.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from body inte-
grated unit.
3) Measure the resistance of harness between
the body integrated unit and chassis ground.
Connector & terminal
(B280) No. 19 — Chassis ground:
12 CHECK POOR CONTACT OF CONNEC-
TORS.
CAUTION:
When replacing body integrated unit on the model with immobilizer system, refer to the "REGISTRA-
TION MANUAL FOR IMMOBILIZER".
B: DIAGNOSTIC TROUBLE CODE (DTC) IS NOT STORED
DIAGNOSIS:
Defective combination meter
TROUBLE SYMPTOM:
• Communication error display in odo/trip meter is not cleared.
• "No trouble code" is displayed on Subaru Select Monitor.
NOTE:
If DTC is not displayed on Subaru Select Monitor, LAN communication System should be OK.
Step
1 CHECK COMMUNICATION ERROR DIS-
PLAY WITH COMBINATION METER.
Turn the ignition switch to ON.
2 CHECK COMBINATION METER.
Perform the self-diagnosis of combination
meter.
3 CHECK BODY INTEGRATED UNIT.
1) Display the current data of ECM using Sub-
aru Select Monitor.
2) Check data of "body integrated unit data
received".
4 CHECK BODY INTEGRATED UNIT.
1) Display the current data of ECM using Sub-
aru Select Monitor.
2) Check data of "body Integrated unit counter
update".
Check
Is the resistance more than 1
MΩ?
Is there poor contact at control
unit ground and Subaru Select
Monitor?
Check
Is communication error dis-
played?
Is combination meter OK?
Is "Yes" displayed?
Is "Yes" displayed?
LAN(diag)-33
LAN SYSTEM (DIAGNOSTICS)
Yes No
Go to step 12. Repair the poor
contact of harness
between body inte-
grated unit and
ground.
Repair the poor Replace the body
contact of connec- integrated unit.
tor. <Ref. to SL-51,
Body Integrated
Unit.>
Yes No
Go to step 2.
Inspect the DTC.
Go to step 3. Replace the com-
bination meter.
<Ref. to IDI-12,
Combination
Meter.>
Go to step 4. Replace the body
integrated unit.
<Ref. to SL-51,
Body Integrated
Unit.>
Repair the poor Replace the body
contact of connec- integrated unit.
tor. <Ref. to SL-51,
Body Integrated
Unit.>