Mazda CX-5 Service & Repair Manual: Throttle Body

Mazda CX-5 Service & Repair Manual / Engine / Control / Throttle Body

Purpose, Function

Opens/closes the throttle valve to adjust the amount of air supplied to the cylinder.
Opens/closes the throttle valve according to the control signal from the PCM.

Construction

The throttle body is installed to the intake manifold.
The throttle body consists of a throttle valve, throttle valve actuator, TP sensor, and return spring.
For the throttle position sensor, refer to CONTROL SYSTEM..

Operation

The throttle valve actuator opens/closes the throttle valve according to the control signal from the PCM. If there is a malfunction in the throttle valve actuator, the throttle valve is closed by the return spring in the throttle body.
For the drive-by-wire control, refer to CONTROL SYSTEM..

Fail-safe


DTC	Fail-safe
P2101:00	Stops the idle air control. Stops the drive-by-wire control and sets to a throttle valve opening angle necessary for minimum driveability.
P2107:00	Stops the idle air control. Stops the drive-by-wire control and sets to a throttle valve opening angle necessary for minimum driveability.
P2110:00	Stops the idle air control. Stops the drive-by-wire control and sets to a throttle valve opening angle necessary for minimum driveability.
P2112:00	Stops the idle air control. Stops the drive-by-wire control and sets to a throttle valve opening angle necessary for minimum driveability.
P2119:00	Restricts the upper limit of the engine speed.

Throttle Body Inspection

Resistance Inspection 1. Disconnect the negative battery cable.. 2. Disconnect the throttle body connector. 3. Measure the resistance between throttle body terminals E and F. Throttle bo ...

Throttle Position (TP) Sensor Inspection

Voltage Inspection CAUTION: The inspection cannot be performed with this method correctly if there is a malfunction of the APP sensor or throttle valve actuator. Verify that no DTCs rel ...

Other materials:

Tire Pressure Monitoring System Set Switch Inspection
1. Remove the TPMS set switch.. 2. Verify that the resistance between the TPMS set switch terminals B and C is as indicated in the table. If not as indicated in the table, replace the TPMS set switch. TPMS set switch specification Terminal ...

Throttle Position (TP) Sensor Inspection
Voltage Inspection CAUTION: The inspection cannot be performed with this method correctly if there is a malfunction of the APP sensor or throttle valve actuator. Verify that no DTCs related to the APP sensor or throttle valve actuator are stored before the inspection. NOTE: ...

Rear Sash Molding Removal
WARNING: Using a utility knife with bare hands can cause injury. Always wear gloves when using a utility knife. 1. Remove the rear door garnish. (rear side). 2. Remove the double-sided adhesive tape in the position shown in the figure using the utility knife. CAUTION: ...