Mazda CX-5 Service & Repair Manual: Fuel Pump Control Module

Mazda CX-5 Service & Repair Manual / Engine / Fuel / Fuel Pump Control Module

Purpose, Function

Controls the voltage applied to the fuel pump for reducing fuel pump load and improving fuel economy.
Controls the voltage applied to the fuel pump based on the control signal from the PCM.

Construction

The fuel pump control module is installed below the rear seat.

Operation

Controls the voltage applied to the fuel pump based on the control signal from the PCM. In addition, the on-board diagnostic function is equipped and if there is a malfunction in the fuel pump control module, a diagnostic signal is sent to the PCM. The PCM stores a DTC if necessary according to the received diagnostic signal.
For the fuel pump control module, refer to CONTROL SYSTEM..

Fail-safe

P025B:00	Stops the fuel pump control (when overheating is detected).
P0629:00	Stops the fuel pump control.

Fuel Pump Control Module Removal/Installation

1. Disconnect the negative battery cable.. 2. Tip the rear seat (LH). 3. Disconnect the clip connected to trunk board. 4. Disconnect the fuel pump control module connector. 5. Remove the fuel ...

Fuel Pump Control

Outline By switching the fuel pump discharge amount, reduced power consumption and improved fuel economy have been realized. The PCM determines the optimum fuel pump drive force acco ...

Other materials:

Reduction Gear
Purpose/ Function The reduction gear transmits the rotation input from the EPS motor, decreasing the rotation speed and increasing the torque simultaneously. Construction The reduction gear consists of the worm wheel located on the steering column main shaft and the worm sh ...

Cooling Fan Relay
Purpose, Function The cooling fan relay operates by receiving the signal from the PCM to supply power to the cooling fan motor. Construction The cooling fan relay is installed on the relay and fuse block. Operation The contact point is on when the battery vo ...

Manual Transaxle Oil Inspection [C66 M R]
1. Park the vehicle on level ground. 2. Remove the front under cover No.2.. 3. Remove the oil level plug and gasket. 4. Verify that the manual transaxle oil is near the brim of the plug port. When the manual transaxle oil level is lower than the lower limit, add manual transaxl ...