Circuit Open/Short Inspection: Notes

Fig 1: Identifying Knock Sensor Connector End View With Terminals Layout

Courtesy of MAZDA MOTORS CORP.

Fig 2: Identifying PCM Connector End Views With Terminals Layout

Courtesy of MAZDA MOTORS CORP.

1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION .)
2. Inspect the following wiring harnesses for an open or short circuit. (Continuity check)