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:

Seat Belt Warning Alarm
Purpose The seat belt warning alarm warns occupants that a seat belt is not fastened. Function The instrument cluster sounds the seat belt warning alarm based on the following CAN signals: Vehicle speed signal sent from PCM Driver/passenger buckle switc ...

Active Command Modes Inspection [Front Body Control Module (Fbcm)]
1. Connect the M-MDS to the DLC-2. 2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS. a. Select “DataLogger”. b. Select “Modules”. c. Select “F_BCM”. 3. Select the active command modes from the PID table. 4. Perform t ...

Crankshaft Pulley
Purpose, Function The crankshaft pulley transmits the drive force to the auxiliary parts via the drive belt. The crankshaft pulley suppresses torsional vibration of the crankshaft. Construction The crankshaft pulley is installed to the front of the crankshaft. ...