Basic electricity instructor

Basic Electricity Learning Goals (You Can…) ¾ Describe Three factors of an electrical circuit ¾ Classify positive current and negative current in a circuit diagram ¾ Describe ampere, voltage, and resistance in a basic electrical circuit ¾ Describe the application of Ohm’s law to an electrical circuit ¾ Understand Kirchoff’s current law and voltage law ¾ Determine the voltage drops and current values in a series circuit ¾ Determine the voltage drops and current values in a parallel circuit ¾ Describe Electrical Power and Watt’s law ¾ Understand common circuit devices ¾ Describe the contents of ETM ¾ Understand the symbols used in ETM ¾ Explain various types of electrical trouble ¾ Describe electrical troubleshooting procedure Voltage Change in Basic Electrical Circuit 5A 24 V + ROOM LAMP SWITCH ROOM LAMP G09 Vehicle Body Voltage Change in Basic Electrical Circuit Question Room Lamp Switch - + 24 V 24 V Simplified Engine Room Lamp Circuit Room Lamp Voltage Change in Basic Electrical Circuit Question Room Lamp Switch - + 0V 24 V Simplified Engine Room Lamp Circuit Room Lamp Voltage Change in Basic Electrical Circuit Question Room Lamp Switch - + 24 V 24 V Simplified Engine Room Lamp Circuit Room Lamp Voltage Change in Basic Electrical Circuit Question Room Lamp Switch - + 24 VV 24 V Simplified Engine Room Lamp Circuit Room Lamp Voltage Change in Basic Electrical Circuit Question Room Lamp Switch + - VV 24 24 V Simplified Engine Room Lamp Circuit Room Lamp Voltage Change in Basic Electrical Circuit Question - + 24 V 0V Voltage Change in Basic Electrical Circuit Question - + 24 V 24 V Component Location MC01 M69 At page CL-6 At page CL-7 MC01 (Black ) M69 Horn relay G03 G06 At page CL-24 At page CL-24 G03 G06 Connector Configuration Example > C01 C02 M19-1 M42 At page CC - 12 At page CC - M62 At page CC - M69 MC01 At page CC - At page CC - At page CC - Connector View and the Numbering Order Connector View Female male Remarks Actual Illustration Pin Illustration in the Shop manual Numbering Order From 99 5.1 Pin 1 4 Male Connector from Upper left to Lower right It is not the shape of connector housing but the connector pin that distinguishes between male or female connector The symbols of Male connector have one more outer line than female’s Female Connector From 99 5.1 from Upper right to Lower left Harness Layout Harness layout shows the routing of the major wiring harnesses and the in-line connector between the major harness At page HL – Chassis Harness Harness Layout At page HL – Main Harness Symbols in Schematic Components Connectors Male connector A solid line means the entire component is shown 10 M05-2 Connector number Female connector Connector pin number A broken line indicates only part of the component is shown STOP LAMP SWITCH Closed with pedal depressed The name of the component Notes about component function This means the connector connects directly to the component This indicates the connector connects to a lead, wired directly to the component Symbols in Schematic Connectors Fuse and Fusible Link This means power is DASH supplied with FUSE the ignition at BOX ‘ON’ position HOT AT ON This indicates a screw terminal on the component FUSE 10 10 A Identification Current rating 0.5 L/W Diode HOT AT ALL TIMES This diode allows current to flow only in the direction of the arrow See Power Distribution page 10 PINK 2.0 R/B FUSIBLE LINK B 30 A ENGINE COMPONENT RELAY BOX Symbols in Schematic Circuit breaker A circuit breaker will heat and open if too much current flows through it Some units automatically reset when cool, but others must be manually reset Splices 0.5L 0.5L Wires 0.85B A wavy line means the wire is broken but is to be continued 0.5Y/R Wire insulation is yellow with a red strip From preceding page A A Splices are numbered and shown as a dot with circle The exact location and connection of these splices may vary among vehicles Current path is continued on the same page or another page The arrow shows the direction of current flow To following page 0.5R Name of circuit A wire connects to another circuit the wire is shown again on that circuit which the arrow is pointing Symbols in Schematic Wires A broken line means only some of the circuit is shown : refer to the circuit listed for the complete schematic See Ground Distribution, page 15 G01 0.5G Automatic Transaxle Manual Transaxle E25 0.5G E26 0.5G Wire choices for option or different models are labeled and shown with a “choice” bracket like this Wires 0.5R 0.5Y/L E35 0.5R 0.5Y/L HOT AT ON FUSE 10 10 A 0.5L 0.5L This dashed line means the RED and YEL/BLU wired are both in connector E35 Where separate wire join, only the splice is shown : for details on the additional wiring, refer to the circuit listed See Power Distribution page 23 Symbols in Schematic Ground - “G” Shield wire This represents RFI (Radio Frequency Interference) Shielding around a wire The shielding is always connected to round This symbol means the end of the wire is attached to a metal part of the vehicle G06 This ground symbol means the housing of the component is attached to a metal part of the vehicle Switches These switches move together: a dashed line shows a mechanical connection between them Symbols in Schematic Relays Normally open contact Normally closed contact This is a relay shown with no current flowing through its coil When a current flows through coil, contact will toggle Indicator This indicates seat belt warning indicator continues to other indicator within instrument cluster Indicators Joint connectors M03-3 SEAT BELT WARNING INDICATOR This is an indicator which displays the lighted symbol Wire Color & Thickness The following abbreviations are used to identify wire colors in the circuit schematics Symbol Color of wire Symbol Color of wire B Black Lg Light Green L Blue O Orange Br Brown P Pink G Green R Red Gr Gray W White Y Yellow 0.5G 0.5G Color Thickness Color : Green Thickness : 0.5mm 0.85L/R Color : Blue with a red stripe Thickness : 0.85mm Harness Classification Harness name Location Symbol Main harness Passenger compartment M ABS and A/C harness Floor and heater unit A Chassis harness Chassis compartment C Floor and door harness Side floor and door D Engine harness Engine compartment E Roof and speaker harness Roof R Connector Identification A connector identification symbol consists of a wiring harness location classification symbol corresponding to each other wiring harness location and number peculiar to the connector Q Connector locations can be found in the Harness Layout E 10 -1 Number peculiar to sub-connector (Serial Number) Number peculiar to main connector (Serial Number) Symbol indicating wiring harness (Engine wiring harness) Q Connectors which connect each wiring harness are represented by the following symbols M R 01 Number peculiar to main connector (Serial Number) Roof wiring harness Main wiring harness Thank You ! 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