Fig. 70: Identifying PCM Harness Side Connector
Courtesy of MAZDA MOTORS CORP.
Open Circuit
If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
Rear HO2S terminal A and PCM terminal 2Q
Rear HO2S terminal B and PCM terminal 2BH
Rear HO2S terminal C and ignition relay
Rear HO2S terminal D and PCM terminal 2BE
Short circuit
If there is continuity in the following wiring harnesses, there is a short circuit. Repair or replace the
wiring harness.
Rear HO2S terminal A and power supply
Rear HO2S terminal A and body ground
Rear HO2S terminal B and power supply
Rear HO2S terminal B and body ground
Rear HO2S terminal C and body ground
Rear HO2S terminal D and power supply
Rear HO2S terminal D and body ground
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Engine Control System - MX-5 Miata
Microsoft
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