Mass points
These symbols represent electrical ground points.
Wiring diagrams / connector diagrams
These diagrams show the circuits of each system from the power supply to the ground point. The power supply side is at the top of the circuit, and the ground point side is at the bottom. The wiring diagrams show the electrical circuits with the ignition off.
Below are examples of the designation of connectors on the wiring diagrams.
Wire designation
| Wire harness name | Designation | |
| Front wiring harness | (F) |  |
| Front wiring harness #2 | (F2) | |
| engine wiring harness | (E) |  |
| Dashboard Wiring Harness | (D) |  |
| Rear wiring harness | (R) |  |
| Rear Wiring Harness #2 | (R2) | - |
| Rear Wiring Harness #3 | (R3) | - |
| Rear Wiring Harness #4 | (R4) | - |
| Rear Wiring Harness #5 | (R5) | - |
| Wiring harness instrument cluster | (1) | - |
| Emission Control Wiring Harness | (EAT) | - |
| Emission control wiring harness #2 | (EM2) | - |
| Emission Control Wiring Harness #3 | (EM3) | - |
| Door harness #1 | (DR1) | - |
| Door harness #2 | (DR2) | - |
| Door harness #3 | (DR3) | - |
| Door harness #4 | (DR4) | - |
| floor wiring harness | (FR) | - |
| Wiring harness for interior lighting | (IN) | - |
| Wiring harness for interior lighting No. 2 | (IN2) | - |
| Air conditioning wiring harness | (AU) | - |
| fuel injection harness | (INJ) | - |
| parking brake wiring harness | (HB) | - |
Designation of wire colors
| Color | Code |
| Black | B |
| Blue | L |
| Brown | BR |
| Dark blue | DL |
| dark green | GY |
| Green | G |
| Light blue | LB |
| light green | LG |
| Orange | O |
| Pink | R |
| Red | R |
| sky blue | SB |
| Beige | T |
| Violet | V |
| White | W |
| Yellow | Y |