Open circuit

WARNING: This page is about a different car, the 2005 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.
- APP sensor terminal A and PCM terminal 8^*1 , 2K^*2
- APP sensor terminal B and PCM terminal 20^*1 , 2H^*2
- APP sensor terminal C and PCM terminal 42^*1 , 2A^*2
- APP sensor terminal D and PCM terminal 7^*1 , 3G^*2
- APP sensor terminal E and PCM terminal 17^*1 , 3A^*2
- APP sensor terminal F and PCM terminal 43^*1 , 3D^*2
  
  Fig 1: Identifying APP Sensor Harness Side Connector
  Courtesy of MAZDA MOTORS CORP.

*1: California emission regulation applicable ATX model

*2: Except for California emission regulation applicable ATX model