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Q.
Is diagnosis code 34 set?
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(1)Disconnect the negative battery
terminal.
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![](../../../img/52/AC311438AG00ENG.png)
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(2)Disconnect connectors C-146 and
then reconnect them. (3)Connect the negative battery
terminal. (4)Erase the diagnosis code memory, and check
the diagnosis code.
Q.
Is diagnosis code 81 out put?
Go to Step
3.
The
procedure is complete. It is assumed that diagnosis code 81
set as connector
C-146 was engaged improperly.
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(1)Disconnect the negative battery
terminal.
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![](../../../img/52/AC311438AG00ENG.png)
![](../../../img/52/AC202027AS00ENG.png)
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(2)Disconnect connectors C-146 and
D-22 and then reconnect them. (3)Connect the negative
battery terminal. (4)Erase the diagnosis code memory, and
check the diagnosis code.
Q.
Is diagnosis code 81 out put?
Go to Step
4.
The
procedure is complete. It is assumed that diagnosis code 81
set as connector
C-146 or D-22 was engaged improperly.
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|
(1)Disconnect the negative battery
terminal.
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![](../../../img/52/AC202027AS00ENG.png)
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(2)Disconnect the side-airbag
module (LH) connector D-22.
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![](../../../img/52/AC301039AG00ENG.png)
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(3)Connect special tool dummy
resistor (MB991865) to special tool resistor harness
(MB991866). (4)
caution |
Do not insert a test probe
into the terminal from its front side directly
as the connector contact pressure may be
weakened.
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Insert special tool (MB991866) into the D-22 harness
side connector by backprobing. (5)Connect the negative
battery terminal. (6)Erase diagnosis code memory, and
check the diagnosis code.
Q.
Is diagnosis code 81 set?
Go to Step
5.
Replace
the frame assembly (Refer to GROUP 52A, Front Seat ).
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![](../../../img/52/AC311438AG00ENG.png)
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(1)Disconnect SRS-ECU connector
C-146.
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![](../../../img/52/AC202027AS00ENG.png)
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(2)
danger |
To prevents the air bag from
deploying unintentionally, disconnect the
side-airbag module (LH)
connector D-22 to short the squib
circuit.
|
Disconnect left hand side-airbag module (LH)
connector D-22.
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![](../../../img/52/AC100397AR00ENG.png)
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(3)
caution |
Insert an insulator such as a
cable tie to a depth of 4mm or more, otherwise
the short
spring will not be released.
|
Insert a cable tie [3 mm wide, 0.5 mm
thick] between terminals 21, 22
and the short spring to release the short spring.
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![](../../../img/52/AC100386AP00ENG.png)
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(4)
caution |
Do not insert a test probe
into the terminal from its front side directly
as the connector
contact pressure may be weakened.
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Check for continuity between C-146 harness side
connector terminals 21 and 22. OK: Open
circuit
Q.
Is the check result normal?
Go to Step
6.
Repair
the harness wires between SRS-ECU connector C-146 (terminal
No.21 and 22)
and side-airbag module (LH) connector D-22 (terminal No.1
and 2).
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Q.
Is diagnosis code 81 set?
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Replace the SRS-ECU
(Refer to ).
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An intermittent
malfunction is suspected (Refer to GROUP 00, How to Use
Troubleshooting/Inspection
Service Points ).
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