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.
Before Service Precaution
WARNING:
Fuel vapor is hazardous. It can very easily ignite, causing serious injury
and damage. Always keep sparks and flames away from fuel.
Fuel line spills and leakage from the p ...
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:
Vanity Mirror Illumination Inspection
1. Disconnect the negative battery cable..
2. Remove the sunvisor..
3. Verify that the continuity between the vanity mirror illumination terminals
is as indicated in the table.
If not as indicated in the table, replace the sunvisor.
...
Heated Oxygen Sensor (HO2 S) Inspection
HO2S Inspection
1. Connect the M-MDS to the DLC?2.
2. Switch the ignition ON (engine on).
3. Warm up the engine to normal operating temperature.
4. Access the following PIDs using the M-MDS..
VSS (Vehicle speed)
RPM (Engine speed)
O2S12 (HO2S output voltage)
5. D ...
Front ABS Wheel Speed Sensor Inspection
Sensor Output Value Inspection
CAUTION:
Resistance inspection using other testers may cause damage to the ABS wheel-speed
sensor internal circuit. Be sure to use the M-MDS to inspect the ABS wheel-speed
sensor.
1. Switch the ignition to off.
2. Connect the M-MDS to the DLC-2. ...
