Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
How to Read System Circuit Diagram
The circuit diagram is designed so the current flows from the top of the diagram (power source) to the bottom of the diagram (ground) as if giving an image of water flow.
[A]: Fuse No.
[B]: Circuit Jumping Page/Direction
(For example: "Two arrows directing left" means "Jump to two pages before".)
You will find the same symbol with the arrows directing opposite in the referenced page.
The circuit continues between the symbols.
[C]: Circuit Jumping Point/Direction
You will find the other symbol in the direction of the arrow.
[D]: Terminals-in-One-Connector Mark
[E]: Wire Color
[F]: Shield Wire
[G]: Ground Point
[H]: "From" or "To" (With ID Letter (s))
[I]: Specification Variation
The white arrow between A and B means "or".
[J]: "From" (With ID Letter (s))
[K] "To" (With ID Letter (s))
[L]: Connector Code
[M]: Terminal No.
[N]: Symbol Mark
[O]: "SEE" Mark
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.