Circuit Open/Short Inspection: Notes

Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION .)
Connect the SST (104 Pin Breakout Box) with the PCM disconnected.
Tighten the connector attaching bolt.
1. Tightening torque
2. 3.0-5.4 N.m {30-56 kgf°Cm, 27-48 in.lbf}
  
  Fig 1: Connecting Special Service Tool (104 Pin Breakout Box)
  Courtesy of MAZDA MOTORS CORP.
Inspect the following wiring harness for open or short circuit (continuity check).

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