Circuit Open/Short Inspection: Notes

Disconnect the PCM connectors.
Disconnect the APP sensor connector.
Inspect the following wiring harnesses for an open or short circuit. (Continuity inspection)

Fig 1: Identifying APP Sensor Wiring Harness Terminals
Courtesy of MAZDA MOTORS CORP.

Fig 2: Identifying Main Relay Connector Terminals
Courtesy of MAZDA MOTORS CORP.

Fig 3: PCM Connector Terminal Identification
Courtesy of MAZDA MOTORS CORP.