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:

Manual Air Conditioner Control System [Manual Air Conditioner]
Outline The climate control unit performs the following controls based on the signals from each switch/dial and the sensor. A/C compressor control Defroster control Block Diagram Outline of Control System Manual air conditioner has the follo ...

Instrument Cluster Disassembly/Assembly
CAUTION: If the instrument cluster is hit forcefully during disassembly such as by being dropped, it could get damaged and the system may not operate normally. When disassembling the instrument cluster, perform the procedure on a workbench on clean clothes being careful not to drop ...

Keyless Warning Alarm
Purpose The keyless warning alarm notifies the driver that the remote transmitter cannot be verified or the steering lock cannot be released. Function When the instrument cluster receives the keyless warning alarm request signal sent from the start stop unit via the CAN sig ...