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Low voltage light switch wiring diagram8/31/2023 : Indicates the ignition key position(s) when the power is supplied to the fuse(s).Ĭurrent is applied at all times through the STOP fuse to TERMINAL 2 of the stop lamp SW. The second character indicates a serial number used to distinguish between the ground points in cases when more than one ground point exist on the same wire harness. The first character of the code indicates the alphabetical code allocated to the wire harness. The code consists of the two characters: A letter and number. Numbered in other from upper right to lower left Numbered in other from upper left to lower right The numbering system is different for female and male connectors. Indicates the pin number of the connector. The first letter indicates the basic wire color and the second letter indicates the color of the stripe. Wire colors are indicated by an alphabetical code. Junction Blocks are shaded to clearly separate them from other parts.Įxample: 15(30) 3C indicates that it is inside Junction Block No.3 and the connector code is shown beside it). : Junction Block (The number in the circle is the J/B The code is the same as the code used in parts position. : Represents a part (all parts are shown in sky blue). Numbers outside connector codes indicate the pin numbers of both male and female connectors. Symbol ( ^ ) indicates the male terminal connector. The third character indicates a serial number used to distinguish between the wire harness combinations in cases when more than one of the same combination of wire harnesses exist (e.g. The first character of the connector code indicates the alphabetical code allocated to the wire harness which has the female connector, and the second shows that of the wire harness which has the male connector. The connector code consists of two alphabetical and one numerical characters. Indicates the code for the (male and female) connectors which are used to join two wire harnesses. when the vehicle model, engine type, or specification is different. is shown to distinguish it from the J/BĮxample: Indicates Relay Block No.1 ( ) is used to indicate different wiring and connector, etc. No shading is used and only the Relay Block No. It is different to the actual circuit shown in the SYSTEM CIRCUITS SECTION. The system shown here is an EXAMPLE ONLY. When overall connections are required, see the Overall Electrical Wiring Diagram at the end of this manual. Wiring related to each system is indicated in each system circuit by arrows (from_, to_). Internal wiring for each junction block is also provided for better understanding of connection within a junction block. Use Relay Location and Electrical Wiring Routing sections to find each part, junction block and wiring harness connectors, wiring harness and wiring harness connectors and ground points of each system circuit. When the circuit operation is understood, begin troubleshooting of the problem circuit to isolate the cause. See the System Outline to understand the circuit operation. When troubleshooting any problem, first understand the operation of the circuit where the problem was detected (see System Circuit section), the power source supplying power to that circuit (see Power Source section), and the ground points (see Ground Point section). (All circuit diagrams are shown with the switches in the OFF position.) The actual wiring of each system circuit is shown from the point where the power source is received from the battery as far as each ground point. This manual provides information on the electrical circuits installed on vehicles by dividing them into a circuit for each system. Provides circuit diagrams showing the circuit connections. Indicates the part number of the connectors used in this manual. This section is closely related to the system circuit. Shows ground positions of all parts described in this manual.ĭescribes power distribution from the power supply to various electrical loads.ĭescribes the form of the connectors for the parts appeared in this book. The "System Outline" and "Service Hints" useful for troubleshooting are also contained in this section. (Refer to the section, "How to use this manual"). Wiring connections and their positions are shown and classified by code according to the connection method. This section is closely related to the system circuit.Įlectrical circuits of each system are shown from the power supply through ground points. This section is closely related to the system circuit.ĭescribes position of Parts Connectors, Splice points, Ground points, etc. Shows position of the Electronic Control Unit, Relays, Relay Block, etc. Describes the basic inspection procedures for electrical circuits.ĭefines the abbreviations used in this manual.ĭefines the symbols and functions of major parts.
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