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Disconnect the negative battery cable from the battery and tape the terminal to prevent
accidental connection and air bag(s) deployment.
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Insert the special tool ornament remover (MB990784) as shown in the illustration to remove
the cover.
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Slide the outer housing of the driver’s air bag module connector in the arrow
direction shown, and disconnect the connector.
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1.
| caution |
Use the special tool to remove the steering wheel since
the steering column collision absorbing mechanism may be damaged.
|
Position the steering wheel in a straight ahead direction.
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2.Use special tool steering linkage puller (MB990803) to remove the steering wheel assembly
as shown.
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Slide the outer housing of the instrument panel wiring connector in the arrow direction
shown, and disconnect the connector.
|
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Insert a flat-tipped screwdriver or similar tool to the location shown in the figure.
After disengaging the tabs, remove the front passenger’s (front) air bag module.
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|
1.When installing the new air bag modules and clock spring, refer to “INSPECTION” ( ).
| note |
Even when installing a new air bag module or clock spring, perform an inspection before the
installation.
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|
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2.
| caution |
To prevent damage to M.U.T.-III, always turn the ignition switch to the
"LOCK" (OFF) position before connecting or disconnecting M.U.T.-III.
|
Connect M.U.T.-III to the diagnosis connector.
|
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3.Turn the ignition switch to the “ON” position.
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4.Check DTCs using M.U.T.-III to ensure entire SRS operates properly.
At this time, check that no diagnosis code except B1401, B1411, B1481 and B1491 are set.
|
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5.
| danger |
Wait at least 60 seconds after disconnecting the battery cable before
doing any further work (Refer to ).
|
Turn the ignition switch to the "LOCK" (OFF) position. Disconnect the negative battery
cable and tape the terminal to prevent accidental connection and air bags deployment.
|
|
|
1.Check that the front wheels are at the straight-ahead position.
|
|
2.
| caution |
- If the centre of the
clock spring is not correctly aligned, the steering wheel may not be turned fully or the cable
inside the clock spring may be broken, causing the SRS air bag to be inoperative or operated
incorrectly.
- When aligning the clock spring neutral position mark, perform with the clock spring independently.
If performed with the steering wheel sensor installed, the steering wheel sensor may be damaged.
|
Align the mating marks of the clock spring.
<Alignment of mating marks>
(1)
Turn the clock spring clockwise fully.
(2)
Turn the clock spring anti-clockwise approximately three and 1/2 turns to
align the mating marks.
(3)
Check that the white roller is visible from the window for checking the neutral point
with the mating marks being aligned.
|
|
| note |
If the white roller cannot be seen or black roller can be seen, the neutral point is not aligned
correctly.
|
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(4)
Install the clock spring to the column switch.
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1.
| caution |
When installing the steering wheel and driver’s air bag module,
ensure that the harness of the clock spring does not become caught or tangled.
|
Before installing the steering wheel and driver’s air bag module, turn the vehicle’s
front wheels to the straight-ahead position and align the mating marks of the clock spring.
|
|
|
2.After securing the steering wheel, turn the steering wheel all the way in both directions
to confirm that the steering wheel rotation is normal.
|
|
|
Connect the connector securely and route the harnesses not to lie off the cover hole.
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1.Reconnect the negative battery cable.
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2.Turn the ignition switch to “ON” position.
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3.Does the SRS warning lamp illuminate for about 7 seconds, and go out?
4.If no, refer to troubleshooting (Refer to ).
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