light MAZDA MX-5 1994 Workshop Manual

LIGHTING SYSTEM T Step 4 1. Turn off the retractor switch. 2. Turn on the headlight switch. 3. Measure the voltage at the following terminal wires of the retractable headlight relay connector. B+: Battery positive voltage Terminal F Voltage B+ Repair wiring harness I Other / (Headlight relay - Retractable headlight relay) Action Check B terminal Other B+ Go to Step 5 Check D terminal Repair wiring harness IGIB+l (Retractor relay - Retractable headlight actuator) I 1 I Other I Replace retractable headlight relay 1 Step 5 Measure the voltage at the terminal wires of the retractor switch. B+ Other B+: Battery positive voltage Repair wiring harness (Retractable headlight relay - GND) Check G terminal 1 I I B+ I Check B and D terminal - - - Repair wiring harness 30A - Retractor I Termlanl Voltage Retractor switch B(W) Action Repair wiring harness (Retractor switch - Retractable OFF B+/ headlight actuator) 1 Other Replace retractor switch D (RN) ON B+ Other Repair wiring harness (Retractor switch - Retractable headlight actuator) Re~lafX retractor switch Gartner Banana

T LIGHTING SYSTEM d I Symptom: Retractable headlight actuator does not operate (One side). 45UOTX-092 Step 1 1. Disconnect the negative battery cable. 2. Retract the inoperative headlight fully by using the manual knob. 3. Disconnect the retractable headlight actuator connector on the faulty side. 4. Reconnect the negative battery cable. 5. Turn on the headlight switch and retractor switch. 6. Check the voltage at the C terminal wire of the retract- able headlight actuator connector. B+: Battery positive voltage Voltage I Action 1 B+ Other Go to Step 2 Repair wiring harness (Retractable headlight relay - Retractable headlight actuator) Step 2 Check for continuity between the A terminal wire of the faulty retractable headlight actuator connector and ground. Continuity No Yes Action Repair wiring harness (Retractable headlight actuator - GND) Check retractable headlight actuator (Refer to page T-51) Gartner Banana

LIGHTING SYSTEM T Removal 1 Installation Remove and install as shown in the figure. Do not turn the adjusting screws during removal or installa- tion. i/ Retractable headlight u 1. Bezel 2. Headlight housing 3. Headlight Rear Combination Light 4. Motor link 5. Retractor hinge 6. Retractable headlight actuator 1. Lens 2. Gasket 3. Bulb 4. Bracket 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

LIGHTING SYSTEM T TNS RELAY Inspection Retractable headlight actuator 1. Disconnect the actuator link. 2. Disconnect the retractable headlight actuator connector. 3. Connect battery positive voltage to terminal F and ground terminal A of the actuator connector. 4. Check the motor operation when connecting battery positive voltage as shown. B+: Battery positive voltage I Terminal I I B+ I GND I Motor operation 5. If not as specified, replace the retractable headlight ac- tuator. Retractor switch 1: Remove the retractor switch. 2. Check for continuity between terminals of the switch. Retractable headlight actuator to raised position Retractable headlight actuator to re- tracted position I C D A A I Switch 0---0: Continuity Terminal B I D I F OFF ON 3. If not as specified, replace the retractor switch. Headlight switch 1. Remove the knee protector. 2. Disconnect the combination switch connector. 3. Check for continuity between terminals of the switch. 0 4. If not as specified, replace the combination switch as an assembly. 0 I 0 0 Passing Tail, Parking M: Continuity 0 0 0 0 Gartner Banana

LIGHTING SYSTEM Headlight relay 1. Disconnect the relay. 2. Apply battery positive voltage and check for continuity between terminals of the relay. B+: Battery positive voltage - - - Terminal Step A I B c D 2 B+ I GND 0 I 0 I 0--0: Continuity Retractable headlight relay 1. Disconnect the relay. 2. Apply battery positive voltage and check for continuity between terminals of the relay. B+: Battery positive voltage . . - Terminal I 1 I l O 2 I I B+ I GND O--O : Continuity 3. If not as specified, replace the relay. 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

T LIGHTING SYSTEM Stoplight Switch Adjustment 1. Adjust the brake pedal height. (Refer to section P.) 2. Disconnect the stoplight switch connector. 4 3. Loosen the stoplight switch locknut. 4. Turn the stoplight switch until it contacts the pedal arm. Turn an additional 112 turn. 5. Tighten the locknut. Locknut tightening torque: 14-18 N.m (1.4-1.8 kgf-m, 120-156 in-lbf) I I I Brake pedal depress I 0 0 1 I Inspection Stoplight switch 1. Disconnect the stoplight switch connector. 2. Check for continuity between terminals of the switch. lnspection condition 3. If not as specified, replace the stoplight switch. Terminal A I B I Brake pedal released I m : Continuity Gartner Banana