940 L4-2320cc 2.3L DOHC VIN 89 B234F FI (1991)
Removing Protective Cover
5.
Remove connector protective sleeve.
IMPORTANT:^ Never check connections from the front. Connectors can get damaged and worsen the problem.
^ Check connections through the holes in the connector.
^ Connection pin numbers are printed on the connector side.
Checking Terminal Pins
6.
Check that terminal contacts have been pushed down evenly in connector.
7.
If any connectors have been pushed down to far, poor connection may result.
Fig. 167 CONTROL UNIT CONNECTOR
8.
Connect an ohmmeter between pin 14 and 22.
Reading: 500 - 1000 ohms
Fig. 168 CONTROL UNIT WIRING FOR E.G.R. SYSTEM