Subaru B9 TRIBECA WX 2007, Manual

Page: 138 / 861

AB(diag)-63
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
E: DTC 21 AIRBAG ECU FAILURE
DTC DETECTING CONDITION:
Airbag control module is faulty.
CAUTION:
• Before diagnosing the airbag system, be sure to turn the ignition switch to OFF, disconnect the
ground terminal from battery, and wait more than 20 seconds before starting to work.
• After replacing the airbag module, seat belt pretensioner, roll connector, control module and sen-
sor, reconnect each part and confirm that the warning light operates properly.
Step Check Yes No
1 CHECK IF DTC 21 IS INDICATED.
Read the DTC. <Ref. to AB(diag)-32, READ
DIAGNOSTIC TROUBLE CODE (DTC),
OPERATION, Subaru Select Monitor.>
Does the Subaru Select Moni-
tor display DTC21? Replace the airbag
control module.
<Ref. to AB-19,
Airbag Control
Module.> Perform the Clear
Memory Mode.
<Ref. to AB(diag)-
33, CLEAR MEM-
ORY MODE,
OPERATION, Sub-
aru Select Moni-
tor.>
asieps_tobira.book 63 ページ ２０１２年２月１０日 金曜日 午後３時２６分