940 L4-2.3L SOHC VIN 88 B230F (1992)
Removing Protective Sleeve
5.
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.
^ Connection pin numbers are printed on the connector side.
Checking Pin 15
6.
Connect an ohmmeter between pin 15 at ECU connector and ground. Move the controls to the A/C position.
Resistance should:
change
7.
If resistance does not change, check wiring to A/C control panel.
a. Fault found, repair as needed and retest.
b. No fault found, problem is A/C system related, for testing see HEATING VENTILATION AND AIR CONDITIONING.
8.
Disconnect the test equipment. Remove the #1 fuse and reconnect the ECU and all other connectors, install the kick panel and glove compartment.
Ensure that the rubber seal in the ECU connector is installed before it is connected to the unit.
9.
Reinstall the #1 fuse.
