mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Main Relay (Computer/Fuel System)|Testing and Inspection|Page 1715 > < Fuel Pump Control Unit|Locations
Page 1
background image

Main Relay (Computer/Fuel System): Testing and Inspection

POWERTRAIN CONTROL MODULE (PCM) POWER RELAY

NOTE:  The IGN START/RUN and ground circuits, or the B+ and VPWR circuits may be reversed in the harness connector. Refer to the Wiring
Diagrams for schematic and connector information.

POSSIBLE CAUSE

-

Harness circuits: B+, IGN START/RUN, INJPWRM, ISP-R, PCMRC, VPWR and GND

-

PCM power relay

-

PCM

Injector (INJ) Connector

Step 1

Powertrain Control Module Power (PCM Power) Relay Connector

Main Relay (Computer/Fuel System)|Testing and Inspection|Page 1715 > < Fuel Pump Control Unit|Locations