× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1999 Jeep Cherokee Classic, Ignition Waveform
Posted to the Waveform Library on 1/5/2018

Cranking to start, CH A CKP, CH B cmp drops and rises centered in between the ckp, CH C coil wire and every cylinder's ignition strike fires on the 4th ckp pulse, CH D cylinder 1 sync probe

 

car Vehicle Data

1999 Jeep Cherokee Classic 4.0L

Engine4.0 L / 6 cyl / GAS
Trans5-speed StandardTransmission
DeliveryFuel Injection
SubsystemIgnition
Component,
ConditionKnown Good

car Vehicle Data

1999 Jeep Cherokee Classic 4.0L

Engine4.0 L / 6 cyl / GAS
Trans5-speed StandardTransmission
DeliveryFuel Injection
SubsystemIgnition
Component,
ConditionKnown Good