Volvo Workshop Manuals
940 L4-2.3L SOHC VIN 88 B230F (1992)
Powertrain Management > Relays and Modules - Powertrain Management > Relays and Modules - Fuel Delivery and Air Induction > Fuel Pump Relay > Component Information > Testing and Inspection > Bendix > Page 4385
Checking Pin 9
Check fuel pump relay (part of system relay) by connecting a lead between ground and pin 20 of the fuel injection ECU connector.
Voltmeter must be connected between pin 9 and ground.
Pump relay should close and run fuel pumps.
a. If fuel pumps start operating, relay is O.K.. Proceed with step 12.
If wiring, fuses and connectors are in good condition, replace system relay and retest.
Disconnect voltmeter and leads from pins 9, 20 and 21.
Reconnecting The ECU Connector
Remove the #1 fuse and reconnect the ECU connector. Ensure that the rubber seal in the connector is installed before it is connected to the ECU.
Reinstall the #1 fuse.
|[PREV PAGE] [NEXT PAGE]|