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Suzuki Samurai EFI Wiring Diagram - Fuel Pump Relay, ECM, MAF & TCC Circuits
Reference · 1986-1995 SamuraiAll 73 wiring diagrams
Wiring diagram covering fuel pump, main and TCC relays, cruise control and mass air flow sensor wiring to the engine control module.
Part of 1986-1995 Suzuki Samurai Wiring Diagrams
This document is one page (EFI2) of a multi-page electronic fuel injection (EFI) wiring diagram, uploaded to a 1986 Suzuki Samurai gallery. It shows the fuel injection control circuit including two 15A fuses from the fuse box (positions 24 and 14), the fuel pump relay (E60), main relay (E61), A/T TCC relay (E61, 3A/T only), TCC cancel relay (E82), stop light switch (E41) in both non-cruise (3A/T) and cruise-control (3A/T & M/T) configurations, cruise main switch/actuator, mass air flow sensor (E25), oil pressure switch (P04), fuel pump (M09), monitor connectors for the engine and RWAL/A&T diagnostics (E14), the Engine Control Module (connectors E34 and E33 with pin numbers), the Transmission Control Module (A/T), and the A/T TCC solenoid valve. Wire colors are labeled throughout (P/B, B/W, Bl/B, W/R, G/W, Lbl, Gr/B, P/G, B/G, W/Y, etc.), along with connector identifiers such as E54, C10, C08, P01, E31, L28, L16, M07. A legend distinguishes M/T vs A/T applications and IWATA vs CAMI assembly plants, plus 2-door and 4-door body variants, with a footnote referring 4 A/T vehicles to the separate 4 A/T control system diagram.
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Frequently asked questions
- What relays are shown in this EFI wiring diagram?
- The diagram shows the fuel pump relay (E60), main relay (E61), the A/T TCC relay (E61, for 3A/T), and the TCC cancel relay (E82).
- What fuse ratings feed this EFI circuit?
- Two 15A fuses in the fuse box, at positions 24 and 14.
- What connector is the mass air flow sensor on?
- The mass air flow sensor is connector E25, with three pins shown (1, 2, 3) and wire colors including Bl/B.
- How does the diagram distinguish vehicle variants?
- A numbered legend indicates: 1 = M/T, 2 = A/T, 3 = IWATA, 4 = CAMI, 5 = 2-DOOR·CAMI, 6 = 2-DOOR·IWATA and 4-DOOR. A footnote says for 4 A/T, refer to the 4 A/T control system.
- What is the fuel pump connector designation?
- The fuel pump is shown as M09, connected via connectors L16/M07 and E31/L28 with P/B wiring and a black (B) ground.
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