Chevrolet Spark manuals

Mazda CX-5 Service & Repair Manual: Air Fuel Ratio (A/F) Sensor Inspection

Mazda CX-5 Service & Repair Manual / Engine / Control / Air Fuel Ratio (A/F) Sensor Inspection

A/F Sensor 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..

5. Drive the vehicle and decelerate the engine speed by releasing the accelerator pedal fully when the engine speed is 3,000 rpm or more

.

6. Verify that the A/F sensor output current (PID: O2S11) is 0.25 mA or more

while decelerating as shown in the figure.


A/F Sensor Heater Inspection

WARNING:

1. Disconnect the negative battery cable..

2. Disconnect the A/F sensor connector.

3. Measure the resistance between A/F sensor terminals A and E.


Air Fuel Ratio (A/F) Sensor Heater Control
Outline Based on the control of the A/F sensor heater, a stabilized oxygen concentration is detected even at low exhaust temperatures, and feedback control of fuel injection even at cold ...

Air Fuel Ratio (A/F) Sensor Removal/Installation
WARNING: A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system. CAUTION: Do not allow fla ...

Other materials:

Liftgate
WARNING Never allow a person to ride in the luggage compartment: Allowing a person to ride in the luggage compartment is dangerous. The person in the luggage compartment could be seriously injured or killed during sudden braking or a collision. Do not drive with the liftgate open: Exhaust gas ...

Seat Warmer Control Unit Removal/Installation
WARNING: Handling a side air bag improperly can accidentally operate (deploy) the air bag, which may seriously injure you. Read the service warnings/cautions in the Workshop Manual before handling the front seat (side air bag integrated).. 1. Switch the ignition off (LOCK). 2. ...

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 ...

© 2016-2025 Copyright www.mcx5.org