Volvo Workshop Manuals
940 L4-2.3L SOHC VIN 88 B230F (1992)
Relays and Modules > Relays and Modules - Powertrain Management > Relays and Modules - Fuel Delivery and Air Induction > Fuel Pump Relay > Component Information > Testing and Inspection > Bendix > Page 979
Removing Protective Sleeve
Remove connector protective sleeve and reinstall fuse #1 for testing.
CAUTION:^ Never check connections from the front. Connectors can get damaged and worsen the problem.
^ Check connections through the holes in the connector.
Checking Pin# 9
To check the system relay (located in central electric unit behind ash tray), connect a voltmeter between ground and ECU connector pin 9.
Connect a lead between ground and ECU connector pin 21. The relay should now close and the voltmeter should show:
Reading: approx. 12 volts
If reading is no or low voltage, check fuse #1 (located in central electric unit behind ash tray), battery, wiring to battery and connectors.
a. If fault found, repair as needed and retest.
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