Mazda CX-5 Service & Repair Manual: Check Fuel Cap Warning Light
Purpose/Function
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The check fuel cap warning light is built into the instrument cluster.
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If the PCM detects that the fuel cap is open, the light illuminates to warn the driver that the fuel cap is open.
Construction
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Built into the instrument cluster.(See INSTRUMENT CLUSTER.)
Operation
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The illumination condition of the check fuel cap warning light is as follows:
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DTC P0457:00 is stored (PCM detects that fuel cap is open)
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Check fuel cap warning light illumination condition
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The PCM sends a check fuel cap warning light illumination request to the instrument cluster via CAN communication.
Charging System Warning Light
Purpose, Function
Warns the driver of a charging system malfunction.
Construction
The charging system warning light is built into the instrument cluster..
Operation
...
Cruise Main Indicator Light (Amber)
Purpose/Function
Illuminates while the cruise control system is in standby mode to inform
the driver that the cruise control system is on standby.
Construction
Built into the in ...
Other materials:
Discharge Headlight Control Module Removal/Installation
WARNING:
Incorrect servicing of the discharge headlights could result in electrical
shock. Before servicing the discharge headlights, always refer to the service
warnings..
1. Disconnect the negative battery cable..
2. Remove the front bumper..
3. Disconnect the connector.
...
Vacuum Pump Inspection
1. Pinch open the clamp using pliers and disconnect the vacuum hose from the
vacuum pump..
2. Install the vacuum gauge as shown in the figure, then check the vacuum.
3. Warn up the engine.
If the pressure is less than the specification, inspect for the following.
Malf ...
Heated Oxygen Sensor (HO2 S)
Purpose/Function
Detects the oxygen concentration (theoretical air/fuel ratio) in the exhaust
gas as basic information for mainly determining the fuel injection amount and
as information for determining the deterioration of catalytic converter.
Detects the oxygen concentration ( ...
