lights MAZDA MX-5 1994 Owner's Manual

T LIGHTING SYSTEM I Symptom: Retractable headlight actuators do not operate (Both sides). I Activate the headlight switch and retractor switch and follow the approximate action. d Switch I Headlight switch ON / 'RECTOR Retractor rnotor(s) operate Retractor switch ON Step 1 1. Check RETRACTOR 30A and HEAD 30A fuses in the main fuse block. 2. If a fuse is burned, replace it. Check and repair the wire harness, if necessary. 3. If the fuses are OK, go to Step 2. Actlon Yes No Step 2 1. Disconnect the negative battery cable. 2. Retract the headlights fully by using the manual knobs. 3. Disconnect the retractable headlight actuator connec- tors. 4. Reconnect the negative battery cable. 5. Turn on the headlight switch and retractor switch. 6. Measure the voltage at the following terminal wires of the retractable headlight actuator connectors. Begin troubleshooting from Step 5 Next, turn ON retractor switch 45UOTX-087 Yes No B+: Batterv ~ositive voltage Begin troubleshooting from Step 4 Begin troubleshooting from Step 1 . . - Step 3 1. Disconnect the retractable headlight actuator connec- tors. 2. Check for continuity between the A terminal wire of the retractable headlight actuator connectors and ground. Retractable headlight actuator Left and Right I~ontinui~l headlight actuator Action Voltage (RN) Repair wiring harness (Retractable headlight actuator - GND) Left and Right Check retractable headlight actuator (Refer to oaon T-51) Action B+ Other Go to Step 3 Go to Step 4 Gartner Banana

LIGHTING SYSTEM ADJUSTMENT VERTICAL ADJUSTMENT RETRACTABLE HEADLIGHT ACTUATOR I Adjustment Headlight aiming 1. Adjust the tire air pressure to specification. 2. Turn on the retractor switch to raise the retractable head- 4 lights. 3. Position the unloaded vehicle on a flat level surface. 4. Adjust the headlights to meet local regulations by turning the two adjusting screws. Retractor hinge 1. Fully retracted the headlights. 2. Obtain the code number and deactivate the audio anti- theft function. (Refer to page T-120.) 3. Disconnect the negative battery cable. 4. Disconnect the actuator link. 5. Lower the retractor hinge until the hinge is stopped by the stop. 6. Adjust the stop so that the headlight lid is flush with the fender and hood. Gartner Banana

:-2 .BACK-UP LIGHTS .HORN .STOPLIGHTS .HIGH-MOUNT STOPLIGHT MAIN FUSE BLOCK MAIN BUB TRAOE NUMBER ma-u~ LIGHTS: 11% (~WI Ix-oal OoA FUSE BLOCK \ ,, HIGH-HOUNT STOPLIGHT: 921 (l8.4W) STOP STRIGHTS: 1157 (27Wl PARK/NEUTRAL W/R (F) << IX-MI 15* FUSE BLOCK W/G IF) 0 F-O2k=zz& hORN RELAY F-03 G/O (F) STOR IGHT -5t SWITCH F-03 BACK-LP G/R LIGHT SWITCH OATA LINK PASSENGER-SIOE CONNECTOa (F) AIR BAG MOOWE (SECTION U! R/G (F) z:zzzz::zzzz:zz: G/R IF) F-0.551 HORN 0RIVE;I-SIOE AIR BAG MOOULE . E-19 E-20 A B B (R) (Rl A - VW REAR COnsINATION LIGHT F-05 HORN (F) F-06 PASSENGER-SIDE AIR BAG MXIULE(F) I U j-03 ORIVER-SIOE S-W PASSENGER-SIOE A:R BAG nrrmE (F) AIR BAG MX)UE (F) Gartner Banana

T LIGHTING SYSTEM Troubleshooting Symptom: Stoplights do not illuminate (All). 45UOTX-105 '' HIGH-MOUNT STOPLIGHT 05UOTX-12: Step 1 1. Check STOP 15A fuse in the fuse box. 2. If the fuse is burned, replace it. Check and repair the wire harness, if necessary. 3. If the fuse is OK, go to Step 2. ~easure the voltage at the following terminal wires of the stoplight switch connector. B+: Battery positive voltage Inspection 1 ~erm w I voltage 1 condition Action I B+ I Check B terminal I Repair wiring harness Other I (STOP 15A fuse - Storrliaht switch) I Brake pedal B+ I Go to Step 3 depressed Other 1 Check stoplight switch w -- 1. 6heck the stoplight bulbs. 2. If a bulb is burned, replace it. 3. If the bulbs are OK, go to Step 4. Step 4 Measure the voltage at the following terminal wires of the right and left rear combination light connectors. B+: Batterv ~ositive voltacle -. - '"spection I Terminal I Voltage 1 condition Action Brake pedal depressed B+ Other B+ Other Check F terminal Repair wiring harness (Stoplight switch - Rear combina- tion light) Repair wiring harness (Rear combination light - GND) Check for poor connection of con- nectors Gartner Banana

LIGHTING SYSTEM T u I Symptom: Stoplights does not illuminate (One only). 45UOTX-108 STOPLIGHT 'I HIGH-MOUNT STOPLIGHT Removal / Installation - -- 1. stoplight, High-mount stoplight 2. Remove and install as shown in the figure. Step 1 1. Check the stoplight bulb of the faulty side. 2. If a bulb is burned, replace it. 3. If the bulb is OK, go to Step 2. Step 2 Measure the voltage at the following terminal wires of the faulty rear combination ligjht connector. B+: Battery ~ositive voltaae -. - I Inspection I TernM I Voltage I condition Action - STOPLIGHT (LH AND RH) HIGH-MOUNT STOPLIGHT Brake pedal depressed F B+ Other B+ Other Check F terminal Repair wiring harness (Stoplight switch - Rear mrnbina- tion light) Repair wiring harness (Rear combination light - GND) Check for poor connection of con- nectors Gartner Banana

RtAH TURN ANU HAZARO WARNING LIGHTS . .. . 1 156 (27W) . .. I I 6 tiAzAmJ B ' ORL CONTROL UNIT (F) (F) I (SECTICN E-2) I I I '-1 FLASHER WIT =TURN AND HAZARD WARNING LIGHTS G/B G/W G/B G/W B (A) (R) AZARO ARVING WITCH E-19 1 I HAZARO INSTRUclENT CLUSTER 0 (SECTION C-b) (:I Gartner Banana

LIGHTING SYSTEM T Hazard Warning Switch Inspection 1. Remove the hazard warning switch. 2. Check for continuity between terminals of the switch. I off 0---0 : Continuity Switch On 3. If not as specified, replace the hazard warning switch and retractor switch as an assembly. Flasher Unit Inspection 1. Turn the ignition switch to ON. 2. Operate the following switches and check the operation of the turn signal and hazard warning lights. Terminal Switch G 0 Turn signal switch H 0 Hazard warning switch Procedure Operation I --- -- - ON 1 All turn signal lights flash I Right side ON Left side ON 3. If not as specified, troubleshoot the circuit. Right turn signal lights flash Left turn signal lights flash I > L R ? TURN SIGNAL SWITCH HAZARD WARNING LIGHT LIGHT SW Gartner Banana

MAIN FUSE @LOCK MAIN EUE TRADE NUMBER W (F) EACX-uP LIGHTS: 1156 (2%) Ix-oal FUSE BLOCK U ,, HIGH-MOUNT STOPLIGHT: Q1 (18.4W) STOP STCRIMTS: 1157 (27WI PARK/NEUTRAL W/R (F) - SWITCH OoA [X-031 Ix-olll 15A (SECTION H-1) FUSE ELDCK WG (F) 1 MTER 0 L (Fl HORN RELAY G/O (F) STOPLIGHT -12 SWITCH OWERTRAIN ONTROL ACK-UP G/R IGHT AT DATA LINK PASSENGER-SIDE CONNECTW RUISE CONTROL UNIT AIR BAG MOOVLE (SECTION U) m38 ::::s::t::z:::== R/G IF) t G/R G/O t I (F) (Fl G T I R/G G I I (R) (R) R/G G [R) (R) (R) 0, WW REAR COMBINATION LIGHT .BACK-UP LIGHTS .HORN .STOPLIGHTS 1 HIGH-MOUNT STOPLIGHT 1 :-06 PASSENGER-SIOE AIR 8AG HOOULE (F) U i-04 PASSENGER-SIDE AIR BAG MOWLE (F) Gartner Banana

LIGHTING SYSTEM T TAILLIGHTS, SIDE MARKER LIGHTS, PARKING LIGHTS AND LICENSE PLATE LIGHTS Circuit ~iagram Gartner Banana

LIGHTING SYSTEM - -- -- Troubleshooting I Symptom: Taillights, side marker lights, and license plate lights do not illuminate. 45UOTX-141 Step 1 1. Check TAIL 15A fuse. 2. If the fuse is burned, replace it. Check and, if necessary, repair the wiring harness. 3. If the fuse is OK, go to Step 2. Step 2 1. Turn the headlight switch ON. 2. Measure the voltage at the following terminal wires of the - TNS relay connedor. B+: Battery positive voltage - Terminal 1 Voltage 1 Action I B+ I Go to Step 3 C (WIL) Other I Check D terminal B+ Other Go to Step 4 Check A terminal A (WIR) Step 3 1. Check the bulbs of each light. 2. If the bulb is burned, replace the bulb. 3. If the bulbs are OK, repair wiring harness between the TNS relay and the body ground of each light. B (WIR) B+ Other Check B terminal Repair wiring harness (TAIL 15A fuse - TNS relay) B+ Other Replace TNS relay Repair wiring harness (TAIL 15A fuse - TNS relay) Gartner Banana