REMOVAL AND INSTALLATION

caution

Before removing the steering wheel assembly and driver’s air bag module, always refer to GROUP 52B - Service Precautions and Driver’s Air bag Module and Clock Spring .
After removing the steering wheel, always perform a calibration for the ASC-ECU to learn the steering wheel sensor neutral point. (Refer to GROUP 35C - On-vehicle Service, Steering Wheel Sensor Calibration .)

Pre-removal OperationSteering Wheel at Straight-ahead Position Check

Post-installation Operation

			Removal steps
<<A>>		1.	Cover
	>>B<<	2.	Horn connector connection
	>>B<<	3.	Steering switch connector connection
<<B>>	>>B<<	4.	Driver’s air bag module connector connection
		5.	Steering wheel voice control switch cover <Vehicles with steering wheel voice control switch>
		6.	Steering wheel voice control switch connector connection <Vehicles with steering wheel voice control switch>
		7.	Steering wheel voice control switch <Vehicles with steering wheel voice control switch>
<<C>>	>>A<<	8.	Driver’s air bag module
		9.	Flange nut
		10.	Lower cover
		11.	Garnish
		12.	Cruise control switch connector connection
		13.	Cruise control switch
		14.	AWC switch connector connection <Except with steering wheel audio remote control switch>
		15.	AWC switch <Except with steering wheel audio remote control switch>
		16.	Steering wheel audio remote control switch connector connection <Vehicles with steering wheel audio remote control switch>
		17.	Steering wheel audio remote control switch <Vehicles with steering wheel audio remote control switch>
<<D>>	>>A<<	18.	Steering wheel assembly

Required Special Tools:

REMOVAL SERVICE POINTS

Insert the special tool MB990784 at the indicated position to remove the cover.

note

The special tool MB990784 can be inserted through the notch behind the area shown.

Slide the outer housing of the driver’s air bag module connector in the arrow direction shown and disconnect the connector.

caution

Never use an electric tester to diagnose the air bag module circuit. Never attempt to disassemble the air bag module.
Store the removed air bag module in a clean, dry place with the pad surface facing upward.
When discarding the air bag module, deploy the air bag as specified in the service procedure. (Refer to GROUP 52B - Air bag module and seat belt pre-tensioner disposal procedure .)
With the driver’s air bag module mounting torx screw, loosen the screw, but do not remove it.

Using the torx wrench (T30), remove the driver’s air bag module.

Position the steering wheel in a straight ahead position.
caution
Use the special tool to remove the steering wheel since the steering column collision adsorbing mechanism may be damaged.
Use special tool MB990803 to remove the steering wheel.

After centering the clock spring (Refer to 52B - Air bag module clock spring ), install the steering wheel assembly.

Connect the connector securely and route the harnesses not to lie off the cover hole.