MAZDA MX-5 1994 Workshop Manual

SRS AIR BAG SYSTEM DRIVER-SIDE AIR BAG MODULE Removal I Installation Warning 4 Handling the air bag module improperly can accidently deploy the air bag, which may serious- ly injure you. Read SERVICE WARNINGS, page T-159, before handling the air bag module. 1. Carry out "Before Servicing" procedure under GENERAL PROCEDURES, page T-160. 2. Remove in the order shown in the figure. 3. Install in the reverse order of removal. 4. Follow the troubleshootina flowchart (page T-160) to verify that the air bag system is operating normally. 1. Bolts 2. Support rope 3. Driver-side air bag module Installation note . . . . . . . . . . . . . . . . . below Installation note Driver-side air bag module 1. Connect the blue and orange clock spring connectors. 2. Connect the negative battery cable. 3. Turn the ignition switch to ON and verify that service code 32 is set. 4. If another service code is set, troubleshoot the system. 5. If service code 32 is set, turn the ignition switch to OFF and disconnect the negative battery cable. 6. Disconnect the orange and blue clock spring connec- tors. 7. Install the driver-side air bag module. Gartner Banana

SRS AIR BAG SYSTEM T PASSENGER-SIDE AIR BAG MODULE Removal I Installation b Warning Handling the air bag module improperly can accidently deploy the air bag, which may serious- ly injure you, Read SERVICE WARNINGS, page T-159, before handling the air bag module. 1. Carry out "Before Servicing" procedure under GENERAL PROCEDURES, page T-160. 2. Remove the glove compartment. 3. Remove in the order shown in the figure. 4. Install in the reverse order of removal. 1. Bolts 2. Support rope 3. Passenger-side air bag module Installation note . . . . . . . . . . . . . . . . . below Installation note Passenger-side air bag module 1. Connect the blue and orange clock spring connectors. 2. Connect the negative battery cable. 3. Turn the ignition switch to ON and verify that service code 33 is set. 4. If another service code is set, troubleshoot the system. 5. If service code 33 is set, turn the ignition switch to OFF and disconnect the negative battery cable. 6. Disconnect the orange and blue clock spring connec- tors. 7. Install the driver-side air bag module. Gartner Banana

T SRS AIR BAG SYSTEM DIAGNOSTIC MODULE Removal / Installation 1. Carry out "Before Servicing" procedure under GENERAL PROCEDURES, page T-160. 2. Remove in the order shown in the figure. L/ 3. Install in the reverse order of removal. 4. Follow the troubleshooting flowchart (page T-160) to verify that the air bag system is operating normally. 1. Nuts 2. Diagnostic module Gartner Banana

SRS AIR BAG SYSTEM T 2-PIN CONNECTOR I CLOCK SPRING Inspection Warning Handling the air bag module improperly can accl- dently deploy the air bag, which may seriously in- jure you. Read SERVICE WARNINGS, page T-159, before handling the air bag module. 1. Carry out "Before Servicing" procedure under GENER- AL PROCEDURES, page T-160. 2. Remove the Driver-side air bag module. (Refer to page T-206.) 3. Check for continuity between terminals of the clock spring. 4. If not as specified, replace the combination switch. (Refer to page T-18.) 5. Connect the blue and orange clock spring connectors. 6. Check if the pin B of the clock spring connector (harness- side) is broken. 7. If pin B is broken, replace the wiring harness. 8. Check if the pin B of the driver-side air bag module con- nector (on clock spring) is broken. 9. If pin B is broken, replace the combination switch. 10. Disconnect the diagnostic module connector. Terminals 11. Connect the blue and orange clock spring connectors. A 0 12. Check for continuity between terminals B and C of the clock spring. 13. If continuity exists, replace the combination switch. 1 0---0: Continuity B 0 C n 2A n 28 0 3A 0 Gartner Banana

T SRS AIR BAG SYSTEM CRASH SENSOR (D-SENSOR) Removal 1 Installation 1. Carry out "Before Servicing" procedure under GENERAL PROCEDURE, page T-160. 2. Remove in the order shown in the figure. 3. Install in the reverse order of removal. 1. Upper seal boards 2. Cover 3. Bolts d 4. Crash sensor (D-sensor, center) Installation note . . . . . . . . . . . page T-189 Gartner Banana

SRS AIR BAG SYSTEM T 1. Mud guard 2. Cover 3. Bolts 4. Crash sensor (D-sensor, right) ........... Installation note page T-212 1. Mud guard 4. Crash sensor (D-sensor. left) 2. cove? 3. Bolts -, Installation ............... page T-212 T-211 Gartner Banana

T SRS AIR BAG SYSTEM Installation Note Crash sensor (D-sensor) 1. If the crash sensor mounting area is damaged, repair the area to its original shape before reinstalling the sensor. i/ 2. Point the arrow on the crash sensor toward the front of the vehicle. Then install it and tighten the bolts to the specified torque. Inspection 1. Disconnect the D-sensor connectors (center, RH, and LH). Measure resistance of each sensor. 2. If not as specified, replace the crash sensor. (Refer to pages T-210,211.) Resistance Approx. 1.1 8 WZ Terminal A B Gartner Banana

SRS AIR BAG SYSTEM T CRASH SENSOR (S-SENSOR) Removal 1 Installation 1. Carry out "Before Servicing" procedure under GENERAL PROCEDURES, page T-160. 2. Remove the dashboard. 3. Remove in the order shown in the figure. 4. Install in the reverse order of removal. 1. Nuts 2. Crash sensor 6-sensor) Installation note . . . .'. . . . . . . page T-214 T-213 Gartner Banana

T SRS AIR BAG SYSTEM Installation Note Crash sensor (S-sensor) 1. If the crash sensor mounting area is damaged, repair the area to its original shape before reinstalling the sensor. 4 2. Point the arrow on the crash sensor toward the front of the vehicle. Then install it and tighten the bolts to the specified torque. Inspection 1. Disconnect the S-sensor connector. 2. Check for continuity between terminals of the S-sensor. 0---0 : Continuity Terminals I Ground I 3. If not as specified, replace the S-sensor. (Refer to page T-213.) A I B 1 C D I E Gartner Banana

SRS AIR BAG SYSTEM T AIR BAG MODULE DISPOSAL PROCEDURE Before scrapping a vehicle with an undeployed air bag module, deploy the air bag. Never dispose of a live air bag module. If the deployment tool SST is not available, consult the nearest Mazda representa- i/ tive for assistance. 46UOTX-908 Air Bag Deployment 1. Move the vehicle to an open space, away from strong winds, and open all of the vehicle's doors. 2. Deactivate the audio antitheft system, if installed. (Refer to page T-120.) 3. Disconnect the negative battery cable. 4. Follow the appropriate procedure for the driver-side or passenger-side air bag module. Driver-side air bag module (1 ) Make sure the air bag module is firmly mounted to the steering wheel. (2) Remove the lower panel. (3) Disconnect the orange and blue clock spring con- nectors. (4) Inspect the SST. (Refer to page T-217.) (5) Connect the SST to the clock spring connector as shown in the figure. Passenger-side air bag module (1) Remove the glove compartment. (2) Disconnect the orange and blue passenger-side air bag module connector. Gartner Banana