DIAGNOSIS SENSOR UNIT

Removal and Installation

REMOVAL

• Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least three minutes.
• Before disconnecting the air bag sensor unit harness connector, be sure to disconnect the harness connector of each air bag module and pre-tensioner seat belt to prevent air bag deployment by static electricity.
• Do not use air tools or electric tools for servicing.
• Do not use old bolts after removal; replace with new bolts.
• Do not cause an impact to the diagnosis sensor unit by dropping etc. Replace the diagnosis sensor unit if it has been dropped or sustained an impact.
• Replace the diagnosis sensor unit of deployed SRS air bag and deployed SRS front seat belt pre-tensioner.

1. Disconnect the negative and positive battery terminals, then wait at least three minutes.
2. Disconnect connector of each air bag module and seat belt pre-tensioner. Refer to See: Restraints and Safety Systems\Air Bag Systems\Air Bag\Service and Repair\Driver Air Bag Module\Removal And Installation, See: Restraints and Safety Systems\Air Bag Systems\Air Bag\Service and Repair\Front Passenger Air Bag Module, See: Restraints and Safety Systems\Air Bag Systems\Side Air Bag\Service and Repair\Side Curtain Air Bag Module, See: Body and Frame\Seats\Service and Repair\Removal and Replacement\Front Seat\Removal And Installation\Coupe, See: Restraints and Safety Systems\Seat Belt Systems\Seat Belt\Service and Repair\Removal and Replacement\Front Seat Belt\Removal And Installation.
3. Remove the center console. Refer to See: Body and Frame\Interior Moulding / Trim\Console\Service and Repair\Disassembly And Assembly.
4. Disconnect the diagnosis sensor unit harness connectors.
5. Remove the bolts, then remove the diagnosis sensor unit.

INSTALLATION
Installation is in the reverse order of removal.

CAUTION:

• Be careful not to damage the diagnosis sensor unit harness.
• After the work is completed, make sure no system malfunction is detected by air bag warning lamp.
• In case a malfunction is detected by the air bag warning lamp, reset by the self-diagnosis function and delete the memory by CONSULT-III.
• If a malfunction is still detected after the above operation, perform self-diagnosis to repair malfunctions. Refer to See: Restraints and Safety Systems\Air Bag Systems\Testing and Inspection\Component Tests and General Diagnostics\Diagnostic Procedure 1.

ECU DISCRIMINATED NO.
After replacing the diagnosis sensor unit, confirm that the diagnosis sensor unit identification is correct for the vehicle as equipped. Refer to See: Restraints and Safety Systems\Air Bag Systems\Testing and Inspection\Scan Tool Testing and Procedures\On Board Diagnostic (OBD) System\CONSULT-III Function (Air Bag).