Load compensation inspection

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Start the engine and let it idle.
Connect the M-MDS to the DLC-2.
Verify that DTC P0506:00 or P0507:00 is not displayed. (See ON-BOARD DIAGNOSTIC TEST .)
- If DTC P0506:00 or P0507:00 is displayed, perform the DTC inspection. (See DTC P0506:00, P151B:00 [PCM (SKYACTIV-G 2.0, SKYACTIV-G 2.5)] .) (See DTC P0507:00 [PCM (SKYACTIV-G 2.0, SKYACTIV-G 2.5)] .)
Select the RPM PID.
NOTE:
- Excludes temporary idle speed drop just after the loads are turned on.
Verify that the engine speed is within specification under each load condition.
- If the load condition is not as specified, inspect the following:
  - A/C switch and related wiring harness system (A/C request signal is always on or off) (See NO. 23 A/C DOES NOT WORK SUFFICIENTLY .) (See NO. 24 A/C IS ALWAYS ON OR A/C COMPRESSOR RUNS CONTINUOUSLY .)
  - Electrical load
  - Charging system (See BATTERY INSPECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) (See GENERATOR INSPECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (WITHOUT i-ELOOP)] .)
Idle-up speed (MTX: Neutral position, ATX: P, N position)

No load: 500-600 rpm (MTX), 550-650 rpm (ATX)

A/C on: 650-800 rpm

Electrical loads on: 600-750 rpm