Mazda CX-5 Service & Repair Manual: Fuel Pump Control Module
Purpose, Function
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Controls the voltage applied to the fuel pump for reducing fuel pump load and improving fuel economy.
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Controls the voltage applied to the fuel pump based on the control signal from the PCM.
Construction
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The fuel pump control module is installed below the rear seat.
Operation
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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.
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For the fuel pump control module, refer to CONTROL SYSTEM..
Fail-safe
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P025B:00 |
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P0629:00 |
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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:
Abbreviations
AAS
Active Adaptive Shift
ABS
Antilock Brake System
ABDC
After Bottom Dead Center
ACC
Accessories
AFS
Adaptive Front Lighting System
ALC
...
Power Brake Unit Inspection
NOTE:
The following inspection methods are simple inspection methods to judge the
function of the power brake unit.
If there is any malfunction in the power brake unit, replace the power brake
unit as a single unit.
Without Using SST
Operation inspection
1. With the eng ...
Electric Variable Valve Timing Control
Outline
The PCM determines the optimum intake valve timing according to the engine
operation conditions, and sends the motor drive signals to the electric variable
valve timing driver. With the adoption of the electric drive system, variable
intake valve timing can be controlled with ...