Circuit Open/Short Inspection
WARNING: This page is about a different car, the 2011 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the PCM connector.
- Disconnect the throttle body connector.
- Inspect the following wiring harnesses for open or short circuit. (Continuity inspection)
Open circuit
- If there is no continuity in the following wiring harnesses, there is an open circuit. Repair or replace the wiring harness.
- Throttle body terminal C and PCM terminal 2P
- Throttle body terminal D and PCM terminal 2AL
- Throttle body terminal E and PCM terminal 2AO
- Throttle body terminal F and PCM terminal 2AK
Short circuit
- If there is continuity in the following wiring harnesses, there is a short circuit. Repair or replace the wiring harness.
- Throttle body terminal E and body ground
- Throttle body terminal E and power supply
- Throttle body terminal F and body ground
- Throttle body terminal F and power supply
- Throttle body terminal D and body ground
- Throttle body terminal D and power supply