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Home >> Mazda >> 2008 >> RX8 2RTR-1.3L >> Repair and Diagnosis >> Powertrain Management >> Fuel Delivery and Air Induction >> Variable Induction System >> Variable Induction Control Solenoid >> Testing and Inspection
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Variable Induction Control Solenoid: Testing and Inspection

VARIABLE DYNAMIC EFFECT INTAKE-AIR (VDI) SOLENOID VALVE INSPECTION
1. Disconnect the negative battery cable.
2. Remove the VDI solenoid valve.




3. Inspect for airflow with the steps in the table given.
- If it is normal, inspect related wiring harnesses.
- If there is any malfunction, replace the VDI solenoid valve.

Circuit Open/Short Inspection
1. Disconnect the PCM connector.




2. Inspect the given wiring harness for open or short (continuity check).

Open circuit
- If there is no continuity, the circuit is open. Repair or replace the harness.
- VDI solenoid valve terminal B (harness-side) and PCM terminal 1W
- VDI solenoid valve terminal A (harness-side) and main relay terminal C (harness-side)

Short circuit
- If there is continuity, the circuit is shorted. Repair or replace the harness.
- VDI solenoid valve terminal B (harness-side) and body GND
- VDI solenoid valve terminal A (harness-side) and power supply
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