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18
Test Procedures
GASOLINE VEHICLE - TROUBLESHOOTING
AND ELECTRICAL SYSTEM
6.2.2.
If there is voltage, check the fuel pump resistance.
Fuel Pump Resistance Procedure
1.
If necessary, see Testing Basics.
2.
Disconnect the battery.
3.
Disconnect the fuel pump connector from the top of the fuel pump module.
4.
Set the multimeter to 200 Ohms.
5.
Check for approximately 2 to 5 ohms between pin (1) and pin (2) terminals in fuel pump module.
2
4
3
1
Description
WIRE COLOR
1. Fuel Pump Positive (+)
Red/White
2. Fuel Pump Negative (–)
Black/White
3. Sending Unit Positive (+)
Orange/Black
4. Sending Unit Negative
(–) Black Wire
Black
3031
Figure 18-18
Fuel Pump Module Terminals
5.1.
If the reading indicates no resistance, the fuel pump has failed and the fuel pump module must be replaced.
5.2.
If the reading is correct and the fuel pump does not function correctly, go to the next steps. Leave the
battery disconnected while checking continuity.
5.2.1.
Check the continuity from the black/white wire of the fuel pump relay to pin (G) of the ECU connector.
ECU Connector
Page 18-32
2021 Carryall 300 Maintenance and Service Manual
Summary of Contents for Carryall 300 2021
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