Circuit Open/Short Inspection
WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the PCM connector.
- Disconnect the CPP switch connector.
- Inspect the following wiring harnesses for an 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.
- CPP switch terminal B and PCM terminal 1O
- CPP switch terminal A and body GND
- If there is no continuity in the following wiring harnesses, there is an open circuit. Repair or replace the wiring harness.
- Short circuit
- If there is continuity in the following wiring harnesses, there is a short circuit. Repair or replace the wiring harness.
- CPP switch terminal B and body GND
- CPP switch terminal B and power supply