RAM 3500 Truck 4WD L6-5.9L DSL Turbo VIN C (2002)
Main Relay (Computer/Fuel System): Testing and Inspection
Fig. 1 ASD And Fuel Pump Relay Terminals - Type 1
Fig. 2 ASD And Fuel Pump Relay Terminals - Type 2
ASD AND FUEL PUMP RELAYS
The following description of operation and tests apply only to the Automatic Shutdown (ASD) and fuel pump relays. The terminals on the bottom of
each relay are numbered. Two different types of relays may be used, or.
Terminal number 30 is connected to battery voltage. For both the ASD and fuel pump relays, terminal 30 is connected to battery voltage at all times.
The PCM grounds the coil side of the relay through terminal number 85.
Terminal number 86 supplies voltage to the coil side of the relay.
When the PCM de-energizes the ASD and fuel pump relays, terminal number 87A connects to terminal 30. This is the OFF position. In the OFF
