How to Read Wiring Diagram
HOW TO READ WIRING DIAGRAMSConnector symbols
Most of connector symbols in wiring diagrams are shown from the terminal side.
- Connector symbols shown from the terminal side are enclosed by a single line and followed by the direction mark.
- Connector symbols shown from the harness side are enclosed by a double line and followed by the direction mark.
- Certain systems and components, especially those related to OBD, may use a new style slide-locking type harness connector. For description and how to disconnect, refer to Power Supply, Ground & Circuit Elements system, "Description", "HARNESS CONNECTOR".
- Male and female terminals
Connector guides for male terminals are shown in black and female terminals in white in wiring diagrams.
Sample/wiring diagram -example-
Description
SWITCH POSITIONS
Switches are shown in wiring diagrams as if the vehicle is in the "normal" condition.
A vehicle is in the "normal" condition when:
- ignition switch is "OFF",
- doors, hood and trunk lid/back door are closed,
- pedals are not depressed, and
- parking brake is released.
MULTIPLE SWITCH
The continuity of multiple switch is described in two ways as shown below.
- The switch chart is used in schematic diagrams.
- The switch diagram is used in wiring diagrams.
