Chevrolet Spark manuals

Mazda CX-5 Service & Repair Manual: Heated Oxygen Sensor (HO2 S) Inspection

Mazda CX-5 Service & Repair Manual / Engine / Control / 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..

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 HO2S output voltage (PID: O2S12) is 0.3 V or less

while decelerating as shown in the figure.


HO2S Heater Inspection

WARNING:

1. Disconnect the negative battery cable..

2. Lift up the vehicle.

3. Remove the floor under cover. (vehicles with floor under cover).

4. Disconnect the HO2S connector.

5. Measure the resistance between HO2S terminals C and D.


Heated Oxygen Sensor (HO2 S) Heater Control
Outline Based on the control of the HO2S heater, a stabilized oxygen concentration is detected even at low exhaust temperatures, and feedback control of fuel injection even at cold engine ...

Heated Oxygen Sensor (HO2 S) 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:

Blind Spot Monitoring (Bsm) Off Indicator Light
Purpose The BSM OFF indicator light informs the driver that the Blind Spot Monitoring (BSM) system is turned off or there is a malfunction in the system. Function The instrument cluster illuminates the BSM OFF indicator light based on the BSM system off signal sent via a CA ...

Differential Oil Temperature Sensor Removal/Installation
WARNING: Hot differential oil may cause severe burns. Do not perform maintenance while differential oil is hot. 1. Disconnect the negative battery cable. 2. Disconnect the differential oil temperature sensor connector. 3. Remove the differential oil temperature sensor. 4. ...

Low And Reverse Brake [Fw6 A EL, Fw6 Ax EL]
Purpose/Function The low and reverse brake stops the rotation of the front internal gear and rear planetary carrier while in 1GR and in reverse, locking them to the transaxle case. Construction The low and reverse brake consist of the following parts shown in the figure. ...

© 2016-2025 Copyright www.mcx5.org