Mazda CX-5 Service & Repair Manual: Check Fuel Cap Warning Light

Mazda CX-5 Service & Repair Manual / Engine / Fuel / Check Fuel Cap Warning Light

Purpose/Function

The check fuel cap warning light is built into the instrument cluster.
If the PCM detects that the fuel cap is open, the light illuminates to warn the driver that the fuel cap is open.

Construction

Built into the instrument cluster.(See INSTRUMENT CLUSTER.)

Operation

The illumination condition of the check fuel cap warning light is as follows:

Check fuel cap warning light illumination condition

DTC P0457:00 is stored (PCM detects that fuel cap is open)

The PCM sends a check fuel cap warning light illumination request to the instrument cluster via CAN communication.

Before Service Precaution

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Direct Fuel Injection System

Purpose, Outline Engine output has been improved through the direct injection of fuel into the combustion chamber. High response can be because there is no time lag from when the fue ...

Other materials:

Fuel Gauge Sender Unit Inspection [2 Wd]
NOTE: For the fuel gauge sender unit removal/installation, refer to the fuel pump removal/installation because the fuel gauge sender unit is integrated with the fuel pump.. 1. Verify that the resistance at fuel gauge sender unit terminals D and C is as indicated in the table ac ...

Piston, Piston Ring, Piston Pin
Purpose, Function Piston The piston in the cylinder of the cylinder block moves reciprocally by the pressure received when the air-fuel mixture combusts. Piston ring The piston ring consists of the compression ring (top ring, second ring) and the oil ring, and has the foll ...

Barometric Pressure (Baro) Sensor Inspection
Voltage Inspection NOTE: Because the BARO sensor is integrated in the PCM, replacing the BARO sensor includes replacement of the PCM. 1. Connect the M-MDS to the DLC?2. 2. Switch the ignition ON (engine off or on). 3. Verify that the BARO sensor output voltage (PID: BARO) is wi ...