Mazda 6 manuals

Mazda 6 Service Manual: Idle air control (iac) valve inspection

Mazda 6 Service Manual / Fuel and emission control systems / Intake-air system / Idle air control (iac) valve inspection

Note

Operation Test

Carry out the Idle Air Control Inspection. (See Idle Air Control System Inspection.)

Resistance Inspection

1. Disconnect the negative battery cable.

2. Disconnect the IAC valve connector.

3. Measure the resistance between the IAC valve terminals using an ohmmeter.

Specification


Circuit Open/Short Inspection

1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION.)


2. Inspect the following wiring harnesses for open or short (continuity check).

Open circuit

- IAC valve terminal A (harness-side) and PCM terminal 4G

- IAC valve terminal B (harness-side) and PCM terminal 4J

Short circuit

- IAC valve terminal A (harness-side) and power supply

- IAC valve terminal A (harness-side) and GND

- IAC valve terminal B (harness-side) and power supply

- IAC valve terminal B (harness-side) and GND

Variable air duct (vad) check valve (one-way) inspection (l3)
1. Remove the VAD check valve (one-way). (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION) 2. Blow through A and verify that air flows from B. 3. Blow through B and verify that air does not flow from A ...

Variable intake-air system (vis) shutter valve actuator inspection (l3)
1. Remove the air hose. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.) 2. Disconnect the vacuum hose from the VIS shutter valve actuator. 3. Connect a vacuum pump to the VIS shutter valve actuator. ...

Other materials:

Mazda 6 Service Manual: Emergency Locking Mode
When the seat belt is fastened, it will always be in the emergency locking mode. In the emergency locking mode, the belt remains comfortable on the occupant and the retractor will lock in position during a collision. If the belt is locked and cannot be pulled out, retract the belt once, and then ...

Mazda 6 Service Manual: Warning Indication/Warning Lights
These lights turn on or flash to notify the user of the system operation status or a system malfunction. *1 The light turns on when the ignition is switched on for an operation check, and turns off a few seconds later or when the engine is started. If the light does not turn on or remai ...

© 2016-2025 Copyright www.mazda6info.net