Operation CHARM: Car repair manuals for everyone.
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Circuit Information

Fig. 24 Asd And Fuel Pump Relay Terminals:




ASD And Fuel Pump Relay Terminals:




The terminal on the bottom of each relay are numbered.
- 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 voftage 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 position, voltage is not supplied to the rest of thE circuit. Terminal 87A is the center terminal on the relay.
- When the PCM energizes the A'~;D and fuel pump relays, terminal 87 connects to terminal 30. This is the On position. Terminal 87 supplies voltage to the rest of the circuit.