Circuit Open/Short Inspection
- Disconnect the PCM connector.
- Inspect the following harness for an open or short wiring. (Continuity inspection)
Open circuit
- If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
- Variable tumble shutter valve switch terminal A and PCM terminal 2W
- Variable tumble shutter valve switch terminal B and PCM terminal 2AA
- Variable tumble shutter valve switch terminal C and PCM terminal 2AE
Short circuit
- If there is continuity, there is a short circuit. Repair or replace the wiring harness.
- Variable tumble shutter valve switch terminal A and power supply
- Variable tumble shutter valve switch terminal A and body ground
- Variable tumble shutter valve switch terminal B and power supply
- Variable tumble shutter valve switch terminal C and power supply
- Variable tumble shutter valve switch terminal C and body ground