relay MAZDA MX-5 1994 Repair 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 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

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 - -- -- 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

LIGHTING SYSTEM TNS RELAY Step 4 1. Disconnect the negative battery cable. 2. Remove the knee protector. 3. Disconnect the combination switch connector. 4. Check for continuity between the following terminals of the combination switch. m: Continuity 5. If not as specified, replace the combination switch. 6. If correct, repair the wiring harness. (TNS relay - combination switch) Removal 1 Installation Remove and install as shown in the figures. raillights Parking lights 3ide marker lights License plate lights Gartner Banana

MAIN FUSE BLOCK FUSE BLOCK C-2 6 PMRmAIN L/R CONTROL MMULE (ENGINE1 (YCTIaN 0-1cl .CIGARETTE LIGHTER .INTERIOR LIGHT .REAR WINDOW OEFROSTER INSTRUMENT WINCmW DEFROSTER WOR SWITCHES (SECTIDN TI -05 REAR WINX)W DEFROSTER RELAY(R) -00 CIGARETTE LIGHTER (I) I-m REAR (R) -REAR NO. 2 (~21 11-07 REAR W INWW DEFROSTER IR21 1-09 INTERIOR LIGHT (I1 E-10 REAR WINOOW DEFROSTER SWITCH (It 1 Gartner Banana

T HORN HORN STRUCTURAL VIEW 1. Horn T-84 2. Horn relay 3. Horn switch Gartner Banana