Workshop Repair Manuals

Volvo Workshop Manuals

[PREV PAGE] [NEXT PAGE]

volvo Workshop Repair Guides


940 L4-2.3L SOHC VIN 88 B230F (1992)

Powertrain Management > Computers and Control Systems > A/C Signal > Component Information > Testing and Inspection > Bendix > Page 5055

Page 2
background image

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. 

Powertrain Management > Computers and Control Systems > A/C Signal > Component Information > Testing and Inspection > Bendix > Page 5055

[PREV PAGE] [NEXT PAGE]