1994 MAZDA MX-5 light

INDEX T PARWNEUTRAL SWITCH SERVICE, SECTION K 1. Cruise control unit ...... Removal / Installation page T-103 ................ Inspection page T-103 2. Cruise actuator ................ Inspection page T-107 Removal / Installation ...... page T-107 3. Actuator cable ...... Removal / Installation page T-104 ............... Adjustment page T-104 4. Clutch switch ...... Removal / Installation page T-105 ............... Adjustment page T-105 5. Stoplight switch ...... Removal / Installation page T-105 ............... Adjustment page T-105 6. Cruise control main switch ................ Inspection page T-106 7. Cruise control switch ................ Inspection page T-106 Gartner Banana

T OUTLINE OUTLINE TROUBLESHOOTING GUIDE Symptom a Speedometer does not operate or indication is incorrect a Tachometer does not operate Water temperature gauge does not operate Fuel gauge does not operate a Oil pressure gauge does not operate a Brake system warning light remains illuminated Brake system warning light does not illuminate when parking brake on a Brake system warning light does not illuminate when brake fluid in reservoir is below MIN a OID off indicator light does not illuminate when OID off switch turned on Seat belt warning light remains on six seconds after ignition switch is turned on (Timer function does not operate) Seat belt warning light does not illuminate when ignition switch is first turned on a Headlights do not illuminate Headlight does not illuminate (Right or left) Retractable headlight actuator do not operate (Both sides) Retractable headlight actuator does not operate (One side) Stoplights do not illuminate (All) Stoplight does not illuminate (One only) Turn and hazard warning functions do not operate Turn signals not operate (Hazard warning function operates normally) Hazard warning function does not operate (Turn signals function normally) Back-up lights does not illuminate Taillights, side marker lights, and license plate lights do not illuminate Daytime running lights do not illuminate Daytime running light function does not cancel lnterior lights do not illuminate Interior liahts remains illuminated (Control switch: DOOR ~osition) Horn does not sound Vehicle speed cannot be set (Cruise control unit will not hold vehicle speed) Speakers do not operate (Without headrest speakers) Speakers do not operate (With headrest speakers) Poor sound quality or noise (Radio) Poor sound quality (Cassette tape player) Cassette tape will not load Cassette tape will not play Compact disc will not load Compact disc skips No sound can be heard Some speakers do not operate Bodysonic will not play Service code table (With passenger-side air bag) Service code table (With out ~assenaer-side air baa) Reference page T-24 T-25 T-26 T-27 T-28 T-36 T-37 T-37 Gartner Banana

OUTLINE T NO type relay I STOP Not in operation (No power supply) ax FLOW I STOP NC type relay NO switch In operation (Power supply) ELECTRICAL SYMBOLS Switches and Relays There is an NC (normally closed) and NO (normally open) indication for switches and relays that shows when no change of operation conditions has occurred. Relay Switch I w FLOW - Other Electrical Symbols - ax STOP FLOW NC switch FLOW STOP I I I I - FUSIBLE LINK e $1 VARIABLE RESISTOR + LIGHT TRANSISTOR HOLDER BOX FUSE 4 RESISTOR 1 T CONDENSER BATTERY 4) MOTOR 8 THERMISTOR SPEAKER I CIGARETTE LIGHTER I HEATER - - BODY GROUND t COIL, SOLENOID + DIODE I 25UOTX-010 Gartner Banana

FUSE SPECIFICATIONS Main Fuse Block u I Fuse Amperes Protected circuit HEAD INJ MAIN BTN 30A 30A COOLING FAN (AD FAN) 1 ABS I 60A I Antilock brake svstem I Headlight relay, Headlight switch Alternator, Diagnostic module (for air bag system) 80A 40A ST SIG RETRACTOR Fuse Box No.1 Except circuits protected in main fuse block: INJ 30A, HEAD 30A, RETRACTOR 30A TNS relay, Headlight switch 30A 20A EGI main relay, Coolant fan relay A/C relay 10A 30A Park l Neutral switch, Circuit-opening relay Retractable headlight actuator Fuse ENGINE METER (POWER WIND) Amperes 15A WIPER TAIL ROOM I 10A I PCME, Key reminder switch, Audio unit I Protected circuit EGI main relay, Coolant fan relay 15A 30A STOP HAZARD CIGAR 15A I Cigarette lighter, Audio unit 1 Instrument cluster, Turn signal switch, Timer and buzzer unit, Cruise control main switch Power window switch 20A 15A Fuse Box No.2 Blower switch, Wiper switch Taillights, Side marker lights, License plate lights, Parking lights 15A 15A Fuse Amperes Protected circuit I Stoplight switch, Horn switch, Cruise control unit Flasher unit Fuse Color Code (DEFOG) (ANTENNA) I Fuse amperes I Color code Fuse type 25UOTX-013 20A 20A I I 10A Red 1 I Rear window defroster Power antenna Plate type 15A 20A Light blue Yellow 30A 30A 80A Light green Pink Black Cartridge type Gartner Banana

RELAY T RELAY STRUCTURAL VIEW 1. Headlight relay 2. TNS relay 3. Retractable headlight relay 4. EGI main relay 5. Circuit-opening relay 6. Rear window defroster timer unit 7. Coolant fan relay 8. Horn relay 9. Flasher unit 10. Rear window defroster relay DESCRIPTION The DRL control unit (Canada only) controls the operation of the turn signal lights. When the ignition switch is at ON or START, the front turn signal lights illuminate as running lights, except when one of the following switches is on: Headlight switch. Turn signal light switch. Hazard warning switch. Parking brake switch. Gartner Banana

RELAY TIMER a 45UOTX-01 FLASHER UNIT Inspection 1. Turn the ianition switch to ON. RETRACTABLE HEADLIGHT RELAY Inspection 1. Disconnect the relay. 2. Apply battery positive voltage and check for continuity .- between terminals of the relay. B+: Batterv ~ositive voltaae Step -- -- M: Continuity Terminal A I H I G I B I D 1 2 3. If not as specified, replace the relay. 2. Operate the following switches and check the operation of the turn signal and hazard warning lights. 0 0 3. If not as specified, troubleshoot the circuit., 0 Switch Turn signal switch Hazard warning switch HAZARD WARNING SW - - 0 Procedure Right side ON Left side ON ON 0 B+ Operation Right turn signal lights flash Left turn signal lights flash All turn signal lights flash 0 GND V Gartner Banana

T RELAY REAR WINDOW DEFROSTER RELAY Inspection 1. Disconnect the relay. 2. Apply battery positive voltage and check for continuity between terminals of the relay. I 1 I I I 45UOTX419 I 2 0 0 B+ I GND I M: Continuity B+: Battery positive voltage Terminal 3. If not as specified, replace the relay. Step A 1 HEADLIGHT RELAY lnspection 1. Disconnect the relay. 2. Apply battery positive voltage and check for continuity between terminals of the relay. C 3. If not as specified, replace the relay. '. B+: Battery positive voltage Terminal B 0 Step 1 2 D 0 M : Continuity A 0 B+ B 0 GND C 0 D 0 Gartner Banana

T SWITCH 1 FLASHER UNlT TR CRUISE CONTROL UNlT u Inspection 1. Disconnect the negative battery cable. 2. Remove the knee protector. 3. Disconnect the combination switch connector. i 4. Check for continuity between the terminals described by using an ohmmeter. 5. If the continuity is not as specified, replace the combina- tion switch as an assembly. Lights, dimmer, and passing switch Position Low beam Headlight High beam Passing Tail, Parking W: Continuity Turn signal switch Terminal E I HL I HU (TNSJHEADI BA I B I Switch m: Continuity Left Right Windshield wiper and washer switch O--O : Continuity d Terminal 0 0 Cruise control switch FU I TL TR 0 0 I Position SETICOAST RESUME/ACCEL Terminal SE I RE W: Continuity 0 E 0 0 0 ,i Gartner Banana