Open circuit

WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

If there is no continuity, the circuit is open. Repair or replace the harness.
- EGR boost circuit (EGR boost sensor (BP), BARO/MAP sensor (BP WITH TC) connector terminal B and PCM connector terminal 4AE.)
- Reference voltage circuit (EGR boost sensor (BP), BARO/MAP sensor (BP WITH TC) connector terminal C and PCM connector terminal 4L)
- GND circuit (EGR boost sensor (BP), BARO/MAP sensor (BP WITH TC) connector terminal A and PCM connector terminal 4O through common connector.)
Fig 1: Identifying EGR Boost Sensor Harness Side Connector Terminals
Courtesy of MAZDA MOTORS CORP.