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VARIABLE TUMBLE SOLENOID VALVE INSPECTION [L8, LF, L3]

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1. Remove the variable tumble solenoid valve. (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION [L8, LF, L3].)

2. Inspect airflow between the ports under the following conditions.

  • If not as specified, replace the variable tumble solenoid valve.
  • If as specified, carry out the "Circuit Open/Short Inspection".

LF

L8, L3

## Circuit Open/Short Inspection

1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [L8, LF, L3].)

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

### Open circuit

  • If there is no continuity, the circuit is open. Repair or replace the harness.
  - Variable tumble solenoid valve terminal B and PCM terminal 2I
  - Variable tumble solenoid valve terminal A and main relay terminal C

### Short circuit

  • If there is continuity, the circuit is shorted. Repair or replace the harness.
  - Variable tumble solenoid valve terminal B and body GND
  - Variable tumble solenoid valve terminal A and power supply