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Symptom: MEMORY SWITCH INPUT OPEN When Monitored and Set Condition: MEMORY SWITCH INPUT OPEN When Monitored: Continuously when the PCI bus is active. Set Condition: If the Memory Set switch voltage is greater than 4.8 volts for over 10 seconds. POSSIBLE CAUSES DTC PRESENT MEMORY SET SWITCH OPEN MEMORY SELECT SWITCH MUX OPEN MEMORY SELECT SWITCH RETURN OPEN BODY CONTROL MODULE TEST ACTION APPLICABILITY 1 With the DRBIII t, record and erase DTC’s. Cycle the ignition OFF then back ON. t, read DTCs. Operate the Memory Set switch several times while monitoring the DRBIII. t display MEMORY SWITCH INPUT OPEN? All Yes → Go To 2 No → Using the wiring diagram/schematic as a guide, inspect the wiring and connectors for an intermittent condition. 2 Disconnect the Memory Set Switch connector t in Sensors, read the Memory Select SW Volts. Is the voltage below 1.0 volt? All Yes → Replace the Memory Set Switch. Perform MEMORY SYSTEM VERIFICATION TEST - VER 1. No → Go To 3 703 MEMORY SEAT |