Operation CHARM: Car repair manuals for everyone.

Deactivation Procedures

WARNING: IF THE SUPPLEMENTAL RESTRAINT SYSTEM (SRS) IS BEING SERVICED, THE SYSTEM MUST BE DEACTIVATED AND RESTRAINT SYSTEM DIAGNOSTIC TOOLS MUST BE INSTALLED.

THE AIR BAG RESTRAINT SYSTEM DIAGNOSTIC TOOLS MUST BE REMOVED AND THE AIR BAG MODULES RECONNECTED WHEN THE SYSTEM IS REACTIVATED TO AVOID NON-DEPLOYMENT IN A COLLISION, RESULTING IN POSSIBLE PERSONAL INJURY.


NOTE:
^ Diagnostics or repairs are not to be performed on a seat equipped with a seat side air bag with the seat in the vehicle. Prior to attempting to diagnose or repair a seat concern when equipped with a seat side air bag, the seat must be removed from the vehicle and the restraint system diagnostic tools must be installed in the seat side air bag electrical connectors. The restraint system diagnostic tools must be removed prior to operating the vehicle over the road.
^ After diagnosing or repairing an SRS, the restraint system diagnostic tools must be removed before operating the vehicle over the road.
^ After diagnosing or repairing a seat system, the restraint system diagnostic tools must be removed before operating the vehicle over the road.
^ The SRS must be fully operational and free of faults before releasing the vehicle to the customer.

1. Disconnect the battery ground cable.

WARNING: TO AVOID ACCIDENTAL DEPLOYMENT AND POSSIBLE PERSONAL INJURY, THE BACKUP POWER SUPPLY MUST BE DEPLETED BEFORE REPAIRING OR REPLACING ANY FRONT OR SIDE AIR BAG SUPPLEMENTAL RESTRAINT SYSTEM (SRS) COMPONENTS AND BEFORE SERVICING, REPLACING ADJUSTING OR STRIKING COMPONENTS NEAR THE FRONT OR SIDE AIR BAG SENSORS, SUCH AS DOORS, INSTRUMENT PANEL, CONSOLE, DOOR LATCHES, STRIKERS, SEATS AND HOOD LATCHES.

PLEASE REFER TO THE APPROPRIATE COMPONENT OR SYSTEM TO DETERMINE LOCATION OF THE FRONT AIR BAG SENSORS.

THE SIDE AIR BAG SENSORS ARE LOCATED AT OR NEAR THE BASE OF THE B-PILLAR.

TO DEPLETE THE BACKUP POWER SUPPLY ENERGY, DISCONNECT THE BATTERY GROUND CABLE AND WAIT AT LEAST ONE MINUTE. BE SURE TO DISCONNECT AUXILIARY BATTERIES AND POWER SUPPLIES (IF EQUIPPED).


2. Wait at least one minute for the backup power supply in the Restraints Control Module (RCM) to deplete its stored energy.
3. Remove the driver air bag module.
4. Attach the restraint system diagnostic tool 418-F088 (105-R0012) to the clockspring side of the driver air bag module electrical connector.
5. Through the glove compartment opening, disconnect the passenger air bag module.
6. Attach restraint system diagnostic tool 418-F088 (105-R0012) to the vehicle harness side of the passenger air bag module electrical connector.
7. Regular cab vehicles only.
1 Remove the passenger side rear corner trim panel.
2 Disconnect the passenger side safety belt retractor pretensioner electrical connector.
3 Attach the restraint system diagnostic tool 418-133 (40-009) to the vehicle harness side of the passenger safety belt retractor pretensioner electrical connector.
4 Remove the driver side rear corner trim panel.
5 Disconnect the driver side safety belt retractor pretensioner electrical connector.
6 Attach the restraint system diagnostic tool 418-133 (40-009) to the vehicle harness side of the driver safety belt retractor pretensioner electrical connector.

8. SuperCab with safety belt retractor pretensioners only.
1 Remove the passenger door scuff plate.
2 Remove the bolt and separate the passenger safety belt retractor pretensioner from the floor.
3 Disconnect the passenger safety belt retractor pretensioner electrical connector.
4 Attach the restraint system diagnostic tool 418-133 (40-009) to the vehicle harness side of the passenger safety belt retractor pretensioner electrical connector.
5 Position the passenger safety belt retractor pretensioner, install the bolt and tighten to 40 Nm (30 Lb-Ft).
6 Remove the driver door scuff plate.
7 Remove the bolt and separate the driver safety belt retractor pretensioner from the floor.
8 Disconnect the driver safety belt retractor pretensioner electrical connector.
9 Attach the restraint system diagnostic tool 418-133 (40-009) to the vehicle harness side of the driver safety belt retractor pretensioner electrical connector.
10 Position the driver safety belt retractor pretensioner, install the bolt and tighten to 40 Nm (30 Lb-Ft).

NOTE: A SuperCab seat equipped with Seat Integrated Restraints (SIR), will have an integral safety belt tower cap located to the outboard side of the headrest. This style seat will be equipped with a safety belt buckle pretensioner. All others will have a safety belt retractor pretensioner.

9. SuperCab with safety belt buckle pretensioners only.
1 From under the passenger seat disconnect the safety belt buckle pretensioner electrical connector.
2 Attach the restraint system diagnostic tool 418-133 (40-009) to the vehicle harness side of the passenger safety belt buckle pretensioner electrical connector.
3 From under the driver seat disconnect the safety belt buckle pretensioner electrical connector.
4 Attach the restraint system diagnostic tool 418-133 (40-009) to the vehicle harness side of the driver safety belt buckle pretensioner electrical connector.

NOTE: A SuperCab seat equipped with Seat Integrated Restraints (SIR), will have an integral safety belt tower cap located to the outboard side of the headrest. This style seat will be equipped with a safety belt buckle pretensioner. All others will have a safety belt retractor pretensioner.

10. CrewCab and Excursion vehicles only.
1 Remove the passenger side B-pillar trim panel.
2 Disconnect the passenger side safety belt retractor pretensioner electrical connector.
3 Attach the restraint system diagnostic tool 418-133 (40-009) to the vehicle harness side of the passenger safety belt retractor pretensioner electrical connector.
4 Remove the driver side B-pillar trim panel.
5 Disconnect the driver side safety belt retractor pretensioner electrical connector.
6 Attach the restraint system diagnostic tool 418-133 (40-009) to the vehicle harness side of the driver safety belt retractor pretensioner electrical connector.

11. Reconnect the battery ground cable.