Mazda CX-9 Grand Touring 2009 Manual page 859

Fig. 37: Identifying KS Wiring Harness Side Connector And PCM Wiring Harness Side Connector
Courtesy of MAZDA MOTORS CORP.
1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [MZI-3.7].)
2. Inspect the following wiring harnesses for open or short. (Continuity inspection)
Open circuit
If there is no continuity, the circuit is open. Repair or replace the wiring harness.
KS terminal A and PCM terminal 2Q
KS terminal B and PCM terminal 2M
KS terminal C and PCM terminal 2L
KS terminal D and PCM terminal 2G
Short circuit
If there is continuity, the circuit is shorted. Repair or replace the wiring harness.
KS terminal A and power supply
KS terminal A and body ground
KS terminal B and power supply
KS terminal B and body ground
2008 Mazda CX-9 Grand Touring
2008 ENGINE Control System (MZI-3.7) - Mazda CX-9