Removal and Installation

warning

Before servicing, electric motor switch OFF, disconnect 12V battery negative terminal and wait for 3 minutes or more (discharges electricity held in the additional power supply circuit of the air bag diagnosis sensor unit).
Battery posts, terminals and related accessories contain lead and lead compounds. WASH HANDS AFTER HANDLING.
Always work from the side of air bag module. Never work in front of it.
To prevent accidental explosion, always place the driver air bag module with pad side facing upward.
To prevent damage to the parts, never allow oil, grease, detergent, or water to come in contact with the driver air bag module.
To prevent accidental explosion, never disassemble the driver air bag module.
To prevent accidental explosion, never expose the driver air bag module to temperatures exceeding 90°C (194°F).

Pre-removal Operation

			Removal steps
		•	Disconnect the 12V battery negative (–) terminal.
		1.	Driver air bag module
		2.	Driver air bag module harness connector
		3.	Horn wiring harness
			Installation steps
		3.	Horn wiring harness
		2.	Driver air bag module harness connector
		1.	Driver air bag module
		•	Connect the 12V battery negative (–) terminal.
		•	Post-installation inspection

REMOVAL SERVICE POINTS

<<A>> DRIVER AIR BAG MODULE REMOVAL

caution

Never use an electric tester to diagnose the air bag module circuit. Never attempt to disassemble the air bag module.
Be sure to store the removed air bag module in a clean and dry place with a pad surface facing upward.

Follow the procedure below according to the item numbers in the illustration.

1. Insert a TORX (screw) driver (T-30) into the service hole on the steering wheel.

2. Use the TORX (screw) driver (T-30) to press the rod in driver air bag module.

3. When the driver air bag module is disengaged, the driver air bag module will be released.

4. Repeat for the other service hole end then remove the driver air bag module.

<<B>> DRIVER AIR BAG MODULE HARNESS CONNECTOR REMOVAL

1. Use the flat-tipped screwdriver to pull out the locking button of wiring harness side connector, and release the lock.

INSTALLATION SERVICE POINTS

>>A<< HORN WIRING HARNESS/DRIVER AIR BAG MODULE HARNESS CONNECTOR INSTALLATION

Fit the horn wiring harness and the driver air bag module harness connector into the clip.

>>B<< POST-INSTALLATION INSPECTION

caution

Check that horn does not sound when driver air bag module is not pressed.
Never damage the harness while installing.
After installation is completed, perform Diagnostic Trouble Code using M.U.T.-III SE or air bag warning light, if the system is normal and "Stored DTC" of "Diagnostic Trouble Code" is indicated, always perform "Erase DTCs" of "Diagnostic Trouble Code" using M.U.T.-III SE. Refer to Work Flow Work Flow.
After the work is completed, check that no system malfunction is detected by air bag warning light in the user mode.