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RELAY-AUTO SHUT DOWN DESCRIPTION - PCM OUTPUT The 5-pin, 12-volt, Automatic Shutdown (ASD) relay is located in the Power Distribution Center (PDC). Refer to label OPERATION ASD SENSE - PCM INPUT A 12-volt signal at this input indicates to the PCM that the ASD has been activated. The relay is used to connect the This input is used only to sense that the ASD relay is energized. If the Powertrain Control Module (PCM) does not ASD SENSE- PCM OUTPUT The ASD relay supplies battery voltage (12+ volts) to the fuel injectors and ignition coil(s). With certain emissions The ground circuit for the coil within the ASD relay is controlled by the Powertrain Control Module (PCM). The PCM The ASD relay will be shut-down, meaning the 12-volt power supply to the ASD relay will be de-activated by the REMOVAL The ASD relay is located in the Power Distribution 1. Remove PDC cover. 2. Remove relay from PDC. 3. Check condition of relay terminals and PDC con- nector terminals for damage or corrosion. Repair if 4. Check for pin height (pin height should be the same for all terminals within the PDC connector). 8I - 4 IGNITION CONTROL KJ |