3.
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
Start engine and let vehicle idle
Connect scantool 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 "CKP T/WHEELS-LO CMP" & "CKP T/WHEELS-HI CMP" parameters within the specification?
YES
▶ Check for poor connection between ECM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "Verification Vehicle Repair" procedure .
NO
▶ Remove CKP and calculate air gap.
If fail to synchronize with CMP sensor, readjust timing system and go to next step.
Check CMP sensor for contamination, deterioration, or damage. Substitute with a known-good CMP sensor and check for proper operation. If the problem is corrected, replace CMP sensor and then go to "Verification of Vehicle Repair" procedure.
