jeep Workshop Repair Guides

Jeep Workshop Service and Repair Manuals

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Powertrain Control Module <--> [Engine Control Module]|Service and Repair > < Powertrain Control Module <--> [Engine Control Module]|Diagrams|Connector Views|Page 3234

Grand Cherokee 4WD V8-4.7L (2003)

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Powertrain Control Module: Testing and Inspection

Test 1 - 3

SYMPTOM

CHECKING THE PCM POWER AND GROUNDS

POSSIBLE CAUSES

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(A7) PCM fused B+ circuit

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(F991) PCM fused ignition switch output circuit

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(Z81,Z82) PCM ground circuits

Powertrain Control Module <--> [Engine Control Module]|Service and Repair > < Powertrain Control Module <--> [Engine Control Module]|Diagrams|Connector Views|Page 3234