Diagnostics Disabling Procedure

This procedure should only be used when performing air bag system diagnostics or repairs.

1. Record pre-set radio frequencies for reprogramming (if equipped). Disconnect negative battery cable. Wait at least one minute for back-up power supply to deplete stored energy.
2. Remove driver-side air bag module. See DRIVER-SIDE AIR BAG MODULE  under REMOVAL & INSTALLATION. Connect Air Bag Simulator (418-F088-105-R0012) to clockspring connector at top of steering column (in place of air bag). See AIR BAG SIMULATOR .
3. Remove passenger-side air bag module. See PASSENGER-SIDE AIR BAG MODULE  under REMOVAL & INSTALLATION. Connect Air Bag Simulator (418-F088-105-R0012) to passenger-side air bag vehicle harness connectors (in place of air bag). On models equipped with seat belt pretensioners, remove front seats. See FRONT SEAT .
4. On regular cab models equipped with seat belt retractor pretensioners, open right seat belt guide cover and remove right seat belt guide nut. Remove right side door scuff plate and rear corner trim panel. Disconnect seat belt pretensioner electrical connector. Connect Pretensioner Simulator (418-133-40-009) on right pretensioner harness connector (in place of pretensioner). Repeat procedure for left pretensioner.
5. On SuperCab models equipped with seat belt buckle pretensioners, connect pretensioner simulator on right and left pretensioner harness connector (in place of pretensioners).
6. On CrewCab models equipped with seat belt retractor pretensioners, open right seat belt guide cover and remove right seat belt guide nut. Remove right-side front and rear door scuff plates. Remove left rear assist handle and B-pillar trim panel. Disconnect right pretensioner electrical connector. Connect pretensioner simulator on right pretensioner harness connector (in place of pretensioner). Repeat procedure for left pretensioner. On all models, connect negative battery cable.