Mazda MX-3 silhouetteMX-3

K8 DOHC - Engine Control System harness routing / connector locations

Z-41component photo

K8 DOHC V6. Connector/harness location diagram. Codes B2-C8 read as printed (likely the LH oxygen sensor companion to B2-08).

Continued from Z-40

B-2a

Component LocationFig. fig1

K8 DOHC engine control system harness routing and connector locations on the vehicle.

Harness-routing / connector-location diagram for the K8 DOHC engine control system. Left: engine bay / front view of the car with the wiring harness draped over the V6 engine, callouts pointing to component connectors. Right: detail of the harness run with joint connectors and the ECM. Bottom: Main Fuse Block layout (BTN 40A, MAIN 100A, FUEL INJ 30A), B2-02 Main Relay, and Joint Box (JB-04, JB-05, JB-06, JB-07). Harness color key at top: FRONT (solid) / ENGINE.
B-2a
1B2-04(Fuel Injector RH (Gray))
2B2-05(Fuel Injector LH (Gray))
3B2-09(Heated Oxygen Sensor RH (Black))
4B2-07(EGR Solenoid Valve (Vent) (Black))
5B2-06(IAC valve)
6B2-03(Distributor (Gray))
7B2-C8(Heated Oxygen Sensor LH (Black))
8B2-02(Main Relay)
9B2-01(ECM (Yellow))
10X-24(Joint connector)
11X-26(Joint connector)
12X-04(Joint connector (Black))
13X-03(Ignition switch (Black))
14X-05((F)-(EM))
15X-06((F)-(EM))
16X-01(Main Fuse)
17X-18((EM)-(E))
18X-12((F)-(E))
19JB-04(Joint Box)
20JB-05(Joint Box)
21JB-06(Joint Box (Black))
22JB-07(Joint Box)
Support our work!

Search Manual

Search pages, specs, and procedures