Variable Tumble Control Operation Inspection; Fuel Injector Operation Inspection - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
4. Turn the ignition switch to the ON position (Engine off).
5. Turn variable intake-air shutter valve actuator from on to off and from off to on using the IMTV PID and
verify that operation sound of the actuator is heard.
• If operation sound is not head, inspect the following.
- Variable intake-air shutter valve actuator (See
ACTUATOR INSPECTION
- Variable intake shutter valve actuator stuck open or close

Variable Tumble Control Operation Inspection

1. Connect the WDS or equivalent to DLC-2.
2. Perform the KOEO self-test using WDS or equivalent.
3. Verify that DTC P2006 and P2008 are not displayed.
• If DTC P2006 or P2008 is shown, perform the DTC inspection. (See
4. Turn the ignition switch to the ON position (Engine off).
5. Monitor ECT, RPM and IMRC PIDs.
6. Verify that ECT PID is 60 °C {140 °F} or less.
7. Start engine.
8. Verify that IMRC PID is following while ECT PID is 60 °C {140 °F} or less.
• If the IMRC PID is not specified, inspect TP sensor (misadjustment).
Engine speed
3,250 rpm
Engine speed
Less than More than
IMRC PID On
9. Turn variable tumble shutter valve actuator from on to off and from off to on using IMRC PID and verify
that operation sound of the actuator is heard.
• If operation sound is not heard, inspect the following.
- Variable tumble shutter valve actuator (See
ACTUATOR INSPECTION
- Variable tumble shutter valve actuator stuck open or close

Fuel Injector Operation Inspection

STEP INSPECTION
1
Downloaded from
[Z6].)
Off
[Z6].)
https://carmanualshub.com/
VARIABLE INTAKE-AIR SHUTTER VALVE
DTC TABLE
VARIABLE TUMBLE SHUTTER VALVE
RESULTS
Yes Fuel injector operation is normal.
- automotive repair manuals website
[Z6].)
ACTION