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APPENDIX ELECTRICAL WIRING SYSTEM Return To Main Table of Contents GENERAL TROUBLESHOOTlNG PROCEDURES IGNITION AND STARTlNG 12 PARKING BRAKE WARNING 14 16 GAUGE 18 FRONTWlPER AND WASHER REAR WlPER AND WASHER 20 HEATER 22 REAR HEATED GLASS (DEFOGGER) 24 SEAT BELT WARNlNG HORN TAILGATE OPENER CIGAR LIGHTER AUDIO DIGITAL CLOCK HEADLAMP TAIL, LICENCE AND REAR ASH TRAY LAMP 26 28 30 POSITION LAMP SIDE MARKER LAMP DASH AND INSTRUMENT ILLUMINATION LUGGAGE LAMP 50 52 54 32 34 36 38 40 TURN SIGNAL AND HAZARD LAMP 42 COURTESY AND DOOR WARNING LAMP 44 STOP LAMP 46 BACK UP LAMP 48 56 POWER STEERING 58 ELECTRONIC LOCK-UP CONTROL 60 (KM 171 AUTO TRANSMISSION) AIR CONDITIONER WIRING HARNESS LAYOUT WIRING BLOCK DIAGRAM 62 64 69 GENERAL GENERAL SYMBOLS IN CIRCUIT DIAGRAM GENERAL SIZE OF WIRE Permissible current of each cable is determined by wire sectional area which is given at the top of the wiring identification When an optional part is installed later, pay attention that the size of wire must be determined with electrical load of the optional part to prevent the excessive current Nominal size 0.3 mm2 0.5 mm2 0.85 mm2 1.25 mm2 Permissible current SAE gage No AWG AWG AWG AWG In engine compartment Other area 7A 9A 12A 5A 13A 17A 22A 22 20 18 16 Nominal size Permissible current SAE gage No In engine compartment Other area 2.0 mm2 3.0 mm2 5.0 mm2 ABBREVIATED SYMBOLS SYMBOL MEANING SYMBOL MEANING Glove box ACC Accessory G/BOX ALTR Alternator GND ARM Armature H/LAMP ANT Antenna HTD Heated A/T Automatic transmission IGN Ignition A/CON Air conditioner ILL Illumination A/TRAY Ash tray IND Indicator BATT Battery (B+) CARB Carburetor COMB Combination (STOP, TAIL, BACK UP AND T/SIG LAMP) INTERM LH Ground Head lamp Intermittent Left hand MULTI SW Multifunction switch M/T Manual transmission Connector RR Rear (Left or Right rear) Door RH Right hand ENG Engine ST Start EXT Extension (wire off main harness) CONN DR E.T.R FRT Electronically tuning radio Front SOL Solenoid S/BELT Seat belt SW Switch F.B.C Feed back carburetor TEMP Temperature F.I.C.D Fast idle control device T/SIG Turn signal GENERAL WIRE COLORS IN CIRCUIT DIAGRAM Colored wire as shown in the following tables are used When two colors are used in a wire, the designation of the wire is as follows COLOR OF WIRE B Black BY Black/Yellow Start motor, tailgate opener switch BW Black/White Ignition coil BR Black/Red W White R Red RW Red/White RL Red/Blue G Green GW Green/White Position lamp, rear ash tray, tail lamp, side maker GY Green/Yellow Turn signal lamp GB Green/Black Y Yellow YBr Yellow/Brown Turn signal lamp, radio YG Yellow/Green Temperature sensor YR Yellow/Red L Blue Grounding Rear wiper and washer, illumination Charging Battery, multi switch, cluster Headlamp Lighting Headlamp relay, Back up lamp Chime bell, license lamp, room lamp, stop lamp Signal Horn, parking brake Heated timer Instrument Fuel sender Front wiper and washer Defogger switch, headlamp relay, clock Light green Starting and ground Alternator, fusible link Heater, cigar lighter, luggage lamp Lg SYSTEM CIRCUIT SYMBOL Multi switch, radio Other GENERAL CONNECTOR CLASSIFICATIONS Electrical wiring connectors are classified according to the wiring parts LOCATION CONNECTOR IDENTIFICATION SYMBOL Main wiring harness Lock up wiring harness Engine compartment Dash and steering column M01 M76 Crash pad wiring harness Dash column Front door speaker C01 C23 Instrument wiring harness The cluster and switch of instrument I01 I09 Rear wiring harness RH/LH rear extension wiring harness Rear extension wiring harness Passenger compartment R01 R20 Tailgate wiring harness (except door) Tailgate T01 T08 Air conditioner wiring harness Engine compartment Dash column A01 A10 THE PART NAME OF WIRING HARNESS A connector identification symbol consists of a wiring harness location classification symbol corresponding to each wiring harness location and number peculiar to the connector These connector locations can be found in the WIRING HARNESS LAYOUT M 10 Number peculiar to connector (Serial number) Symbol indicating wiring harness (Main wiring harness) NOTE Connectors which connect each wiring harness are represented as following symbol For example; M R 01 Number peculiar to connector (serial number) Rear wiring harness Main wiring harness SPLICING SYMBOLS Splicing symbols are represented as following symbol For example; S M 01 Number peculiar to splicing joint (serial number) Main wiring Splicing GENERAL CONNECTOR IDENTIFICATION SYMBOLS Connectors and connector pin numbers are indicated in each circuit Wires and pins of the connectors are also clearly illustrated GROUNDING POINTS TROUBLESHOOTING PROCEDURES TESTING FOR VOLTAGE Connect one lead of a test light or voltmeter to a known good ground If you are using a voltmeter, be sure it is the voltmeter’s negative lead that you have connected to ground Connect the other lead of the test light or voltmeter to a selected test point (connector or terminal) If the test light glows, there is voltage present If you are using a voltmeter, note the voltage reading The allowable error should be within one volt of measured battery voltage A loss of more than one volt indicates a problem TROUBLESHOOTING PROCEDURES TESTING FOR CONTINUITY Disconnect the battery Connect one lead of a self-powered test light or ohmmeter to one end of the part of the circuit you wish to test Connect the other lead to the other end If the self-powered test light glows, there is continuity If you are using on ohmmeter, low or an resistance means good continuity TROUBLESHOOTING PROCEDURES TESTING FOR SHORT TO GROUND Remove the blown fuse and disconnect the battery and load Connect one lead of a self-powered test light or ohmmeter to the fuse terminal on the load side Connect the other lead to a known good ground Beginning near the fuse block, wiggle the harness from side to side Continue this at convenient point (about six inches apart) while watching the self-powered test light or ohmmeter When the self-powered test light glows, or ohmmeter registers, there is a short to ground in the wiring near that point 10 ... Connect one lead of a self-powered test light or ohmmeter to one end of the part of the circuit you wish to test Connect the other lead to the other end If the self-powered test light glows,... this at convenient point (about six inches apart) while watching the self-powered test light or ohmmeter When the self-powered test light glows, or ohmmeter registers, there is a short to ground... voltage at the point being tested SELF POWER TEST LIGHT NOTE A self-power test light is only used on an unpowered circuit Use a self-power test light to check for continuity This tool is made up