Mazda MX-5 Miata Sport 2007 Manual page 1052

Fig. 60: Identifying PCM Harness Side Connector
Courtesy of MAZDA MOTORS CORP.
Open Circuit
If there is no continuity, the circuit is open. Repair or replace the wiring harness.

CMP sensor terminal A and PCM terminal 2P

CMP sensor terminal B and PCM terminal 2S

CMP sensor terminal C and PCM terminal 2AM

Short Circuit
If there is continuity, the circuit is shorted. Repair or replace the wiring harness. I

CMP sensor terminal A and power supply

CMP sensor terminal B and power supply

CMP sensor terminal B and body ground

CMP sensor terminal C and body ground

FRONT HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [LF]
1. Remove the battery cover.
2. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF] .)
3. Install the SST to the front HO2S.
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Engine Control System - MX-5 Miata