Open circuit

WARNING: This page is about a different car, the 2007 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
- Throttle body terminal A and PCM terminal 3M
- Throttle body terminal B and PCM terminal 3P
- Throttle body terminal C and PCM terminal 3J
- Throttle body terminal D and PCM terminal 3Q
  
  Fig 1: Identifying TP Sensor Connector Terminals
  Courtesy of MAZDA MOTORS CORP.