SRS Control Module (SRSCM)

Components and Component Location

COMPONENTS

1. SRSCM (Supplemental Restraint System Control Module)

Description and Operation

Description

• The Supplemental Restraint System Control Module (SRSCM) determines if and when to activate the airbag module, seat belt pretensioner (BPT) and emergency fastening device (EFD).
• It supplies power to the airbag module to deploy the module or the BPT and EFD.
• It also performs the self-diagnosis function of the supplemental restraint system.

Repair Procedures

DEPOSIT

1. 1
   Remove the key from the ignition switch.
2. 2
   Disconnect the negative battery cable and wait at least three minutes before starting work.
3. 3
   Remove the floor console. (Refer to Body group - "Floor Console")
4. 4
   Pull the lock (A) of the SRSCM connector and disconnect the connector.

   

5. 5
   Remove the SRSCM bolt (A) and SRSCM nuts (B), then remove the SRSCM.

   

REMEDY

1. 1
   Remove the key from the ignition switch.
2. 2
   Disconnect the negative battery cable and wait at least three minutes before starting work.
3. 3
   Install the SRSCM with the SRSCM mounting bolts (A) and nuts (B).

   Tightening torque: 7.8 ~ 12.8 N·m

   

4. 4
   Connect the SRSCM wiring harness connector.
5. 5
   Install the heater ducts and floor console. (Refer to Body group - "Floor Console")
6. 6
   Connect the battery negative cable.
7. 7
   After installing the airbag module, check that the system operates correctly.

   • Turn the ignition on. The SRS indicator should illuminate for approximately six seconds, then turn off.

Variant Coding

After replacing the SRSCM with a new one, the "Variant Coding" procedure must be performed.Variant Coding Procedure

■ Online type in GDS

1. 1
   Turn the ignition switch to the OFF position.
2. 2
   Connect the GDS.
3. 3
   Turn the ignition switch ON without starting the engine.
4. 4
   Select the vehicle name and the airbag system.
5. 5
   Select the variant coding mode.
6. 6
   Follow the instructions on the screen below.

   1. Initial ACU Variant Coding Screen

      

   2. VIN Input Screen

      

   3. Variant Coding Procedure Screen-1

      

   4. Variant Coding Procedure Screen-2

      

   5. Variant Coding Completed

      

■ Offline type in GDS (use when there is no internet connection)

1. 1
   Turn the ignition switch to the OFF position.
2. 2
   Connect the GDS.
3. 3
   Turn the ignition switch ON without starting the engine.
4. 4
   Select the vehicle name and the airbag system.
5. 5
   Select the variant coding mode.
6. 6
   Follow the instructions on the screen below.

   1. Initial ACU Variant Coding Screen

      

   2. ACU Coding Option Input Screen

      

   3. ACU Coding Option Input Screen Inspection

      

   4. Variant Coding Procedure Screen-1

      

   5. Variant Coding Procedure Screen-2

      

   6. Variant Coding Completed