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Content .. 1984 1985 1986 1987 ..
P0604-INTERNAL CONTROL MODULE RAM For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes PCM - INTERNAL ERROR Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 21 - TRANSMIS- Theory of Operation After the controller is reset, the microprocessor checks the integrity of each RAM location by writing to it and read- Diagnostic Test 1. PCM - INTERNAL ERROR View repair. Repair Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, Perform 42RLE TRANSMISSION VERIFICATION TEST - VER 1. (Refer to 21 - TRANSMISSION/ 21 - 478 AUTOMATIC TRANSMISSION 42RLE - ELECTRICAL DIAGNOSTICS LX |