Start engine and let vehicle idle
Install scan tool and select "current Data" mode
Monitor "CKP T/WHEELS-LO CMP" & "CKP T/WHEELS-HI CMP" parameters on the Scantool data list.
Specification :
"CKP T/WHEELS-LO CMP" : 38 +/- 4 tooth
"CKP T/WHEELS-HI CMP" : 98 +/- 4 tooth

Are "CMP FALL EDGE" & "CMP RISE EDGE" parameters near the specification?
YES
Thoroughly check connectors for loose or poor connections, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of Vehicle Repair" procedure
NO
Remove CMP and check the air gap

If fail to synchronize with CMP sensor, readjust timing system and go to next step.
Test with a new CMP sensor and check for proper operation. If problem is corrected, replace CMP sensor and go to "Verification of Vehicle Repair" procedure