Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMON-BOARD DIAGNOSTIC [ENGINE CONTROL SYSTEM L3]DTC P2009NOTES

2010 Mazda 5 Sport, 2.3 L, Standard

DTC P2009: Notes

2010 Mazda 5 Sport, 2.3 L, StandardSECTION Notes

DTC P2009 [L3] DETECTION CONDITIONS AND POSSIBLE CAUSES

DTC P2009

Variable tumble solenoid valve circuit low input

DETECTION CONDITION

The PCM monitors variable tumble solenoid valve control signal. If the PCM turns variable tumble solenoid valve off but voltage at PCM terminal 2I still remains low for 5s , the PCM determines that variable tumble solenoid valve circuit has malfunction.

Diagnostic support note

This is a continuous monitor (CCM).
MIL illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
PENDING CODE is available if the PCM detects the above malfunction condition during the first drive cycle.
FREEZE FRAME DATA (Mode 2/Mode12) is available.
The DTC is stored in the PCM memory.

POSSIBLE CAUSE

Poor connection of connectors at variable tumble solenoid valve
Variable tumble solenoid valve malfunction
Open circuit in wiring harness between main relay and variable tumble solenoid valve terminal A
PCM connector or terminal malfunction
Short to ground in wiring harness between variable tumble solenoid valve terminal B and PCM terminal 2I
Open circuit in wiring harness between variable tumble solenoid valve terminal B and PCM terminal 2I
PCM malfunction

Courtesy of MAZDA MOTORS CORP.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.