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Circuit Operation|Page 431 >
< Circuit Operation|Page 429
Grand Cherokee 2WD L6-4.0L VIN S (1997)
Relays and Modules
Relays and Modules - Powertrain Management / Relays and Modules - Computers and Control Systems
Powertrain Control Module <--> [Engine Control Module] / Component Information
Description and Operation / Circuit Operation
Page 430
Page 6
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The PCM adjusts ignition timing by turning the ground path to the coil on and off.
Relays and Modules
Relays and Modules - Powertrain Management / Relays and Modules - Computers and Control Systems
Powertrain Control Module <--> [Engine Control Module] / Component Information
Description and Operation / Circuit Operation
Page 430
Circuit Operation|Page 431 >
< Circuit Operation|Page 429