Subaru B9 TRIBECA WX 2007 Manual page 727

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
F: DTC 37 BUCKLE SWITCH RH FAILURE
DTC DETECTING CONDITION:
• Passenger's seat buckle switch circuit is open, shorted or shorted to ground.
• Seat harness circuit is open, shorted or shorted to ground.
• Occupant detection control module is faulty.
WIRING DIAGRAM:
Step
1 CHECK POOR CONTACT OF CONNEC-
TORS.
Check for poor contact of the connectors
between the occupant detection control module
and buckle switch.
2 CHECK THE BUCKLE SWITCH.
1) Turn the ignition switch to OFF, disconnect
the battery ground terminal, and wait for 20 sec-
onds.
2) Disconnect the buckle switch connector
(AB60).
3) Connect the test harness AE1 and test har-
ness connector Y to the buckle switch connec-
tor (AB60).
4) Connect the battery ground terminal and
turn the ignition switch to ON.
OCCUPANT DETECTION SYSTEM (DIAGNOSTICS)
FRONT SEAT BELT
SWITCH RH
AB60
OCCUPANT DETECTION
CONTROL MODULE
Check
Is there poor contact?
Does the airbag warning light
illuminate for 6 seconds and go
off?
OD(diag)-29
AB60
1 2
OD-00024
Yes No
Reconnect the Go to step 2.
connector. If the
fault is not fixed,
replace the airbag
harness.
Replace the buckle Check the seat
switch. <Ref. to harness, and if any
SB-10, INNER fault is found,
SEAT BELT replace the seat
ASSEMBLY, harness. If the fault
REMOVAL, Front is not fixed, replace
Seat Belt.>
the occupant
detection system.