chrysler Workshop Repair Guides

Chrysler Workshop Service and Repair Manuals

Main Relay (Computer/Fuel System) > < Fuel Pump Relay|Locations|Page 1869
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Fuel Pump Relay: Testing and Inspection

MFI Relay (ASD) And Fuel Pump Relay Check

1. Remove the relay.
2. Check that there is continuity between (4) and (6) terminals.

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Standard value: 35-75 ohms

3. Use jumper leads to connect relay terminal No. 6 to the battery (+) terminal and terminal No. 4 to the battery (-) terminal.

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Check the continuity between relay terminals No.2 and No.8 while connecting and disconnecting the jumper lead at the battery (-) terminal.

Jumper lead Continuity between terminals No.2 and 8
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Connected = Continuity (0 ohms)

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Disconnected = No continuity (infinite resistance)

4. If there is a defect, replace the relay.

Main Relay (Computer/Fuel System) > < Fuel Pump Relay|Locations|Page 1869