Talon FWD L4-1997cc 2.0L DOHC Turbo (1995)
MFI Relay: Testing and Inspection
1. Remove the Multipoint Fuel Injection (MFI) relay.
2. Check the continuity between the MFI relay terminals.
Inspection terminals
Continuity
5-7
Continuity (Approx. 90 ohms)
6-8
Continuity in one direction
3. Use jumper leads to connect MFI relay terminal 7 to the battery (+) terminal and terminal 5 to the battery (-) terminal.
CAUTION: If jumper leads are not connected properly, the relay will be damaged.
4. Check the voltage at MFI relay terminal 1 while connecting and disconnecting the jumper lead at the battery (-) terminal.
Jumper lead
Voltage at terminal 1
Connected
System Voltage
Disconnected
0 Volts
5. Use the jumper leads to connect MFI relay terminal 8 to the battery (+) terminal and terminal 6 to the battery (-) terminal.
6. Check the continuity between MFI relay terminals 2 - 4 and terminals 3 - 4 while connecting and disconnecting the jumper lead at the battery (-)
terminal.
Jumper lead
Continuity between
Continuity between
terminals 2 - 4
terminals 3 - 4
Connected
Continuity (O ohms)
Continuity (O ohms)
Disconnected
No continuity (infinite) No continuity (infinite)
7. If there is a defect, replace the MFI relay.