AB(diag)-75
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
AA:DTC 62 BELT PRETENSIONER LH FAILURE
DTC DETECTING CONDITION:
• Seat belt pretensioner (LH) circuit is open, shorted or shorted to ground.
• Airbag control module is faulty.
• Pretensioner is faulty.
• Pretensioner harness 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 20 seconds or more before starting to work.
• When replacing the airbag module, seat belt pretensioner, roll connector, control module and sen-
sor, reconnect each part and check that the warning light operates properly.
• When inspecting the airbag main harness, disconnect the airbag module connectors of the driver’s
and passenger’s seats for safety.
• When inspecting the airbag rear harness, disconnect the side airbag module connector, curtain
airbag module connector and seat belt pretensioner connector for safety reasons.
WIRING DIAGRAM:
Step
Check
Yes
No
1
CHECK POOR CONTACT OF CONNEC-
TORS.
Check for poor contact of the connectors
between the airbag control module and the seat
belt pretensioner LH.
Is there poor contact?
Replace the airbag
rear harness along
with body harness.
Go to step
2
.
2
CHECK SEAT BELT PRETENSIONER.
1) Turn the ignition switch to OFF, disconnect
the ground cable from battery, and wait for 20
seconds or more.
2) Disconnect the connector (AB21) from seat
belt pretensioner (LH).
3) Connect the connector (1N) in the test har-
ness N to the connector (AB21).
4) Connect the airbag resistor to the connector
(2N) of test harness N.
5) Connect the battery ground terminal and
turn the ignition switch to ON.
Does the airbag warning light
illuminate for 6 seconds and go
off?
Replace the seat
belt pretensioner
(LH). <Ref. to SB-
17, Front Seat
Belt.>
Go to step
3
.
AB-01881
AB21
1 2
2
1
AB17
AB21
6
5
AB17
18 19 20 21 22 23 24
1 2 3
5 6 7 8
10
9
4
11 12 13 14
16
17
15
AIRBAG CONTROL MODULE
PRETENSIONER LH
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