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:

PCM Inspection
Without Using the M-MDS NOTE: Because the PCM uses a waterproof connector, the inspection for the voltage/wave pattern cannot be performed. The following values are for reference. Terminal voltage table (Reference) Terminal Signal C ...

Audio Set (Type B)
CAUTION Do not press the panel strongly or press it with a sharp-pointed object. Otherwise, the panel could be damaged. 1 Power/Volume/Display/Sound Controls 2 Operating the Radio 3 Operating the Satellite Radio 4 Operating the Compact Disc (CD) Player 5 How to use the Auxiliary jack/U ...

Front Map Light
Purpose The front map lights shine light at the front of the vehicle interior. Function The front map lights illuminate when the map light switch is turned on. Illuminates according to the lock condition of the driver's door and open/close conditions of the doors u ...