1. Measure the temperature around the ambient temperature sensor and measure the resistance between the ambient temperature sensor terminal.
If the characteristics of the ambient temperature sensor are not as shown in the graph, replace the ambient temperature sensor.
Warranties for Your Mazda
New Vehicle Limited Warranty
Powertrain Limited Warranty
Safety Restraint System Limited Warranty
Anti-perforation Limited Warranty
Federal Emission Control Warranty/California Emission Control Warranty
Emission Defect Warranty
Emission Performance Warranty
Emission Control ...
Throttle Body Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the throttle body connector.
4. Measure the resistance between throttle body terminals E and F.
Throttle body resistance
0.3—100 ohms [20°C {68 °F}]
If not as ...
Heated Oxygen Sensor (HO2 S) Inspection [Mzr 2.0, Mzr 2.5]
HO2S Inspection
1. Connect the M-MDS to the DLC-2.
2. Switch the ignition to 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. Drive ...