mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Main Relay (Computer/Fuel System) > < Fuel Pump Relay|Testing and Inspection
Page 2
background image

7.9 - 10.7 Nm {80 - 110 kgf.cm, 69.5 - 95.4 in.lbf}

4. Inspect for an open or short circuit in the following wiring harnesses by probing the applicable sensor and SST (104 Pin Breakout Box) terminals

with ohmmeter leads.

Open circuit
-

GND circuit (fuel pump relay connector terminal B and PCM connector terminal 80 through common connector)

-

GND circuit (fuel pump relay connector terminal C and fuel pump unit connector terminal B through common connector)

-

Power circuit (fuel pump relay connector terminal A or E and main relay connector terminal D through common connector)

Short circuit
-

Fuel pump relay connector terminal B and PCM connector terminal 80 through common connector to GND

-

Fuel pump relay connector terminal C and fuel pump unit connector terminal B through common connector to GND

5. Install the fuel pump relay.
6. Reconnect the negative battery cable.

Main Relay (Computer/Fuel System) > < Fuel Pump Relay|Testing and Inspection