volvo Workshop Repair Guides

Volvo Workshop Service and Repair Manuals

Fuel Injection|Page 3111 > < Engine Controls - Driveability Problems|Page 3108
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Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
Fuel Injection

TESTING PROCEDURE:

NOTE: While trouble shooting, always check the wiring, fuses and connectors for good condition and routing. Use the wiring diagrams found in 

CHASSIS ELECTRICAL DIAGRAMS to supplement your testing efforts. 

Fuel Injection, Ignition Control Unit (ECU) And System Relay

1.

Turn ignition OFF.

2.

Access fuel injection ECU by removing the passenger side kick panel and glove compartment.

3.

Check fuel injection ECU ground connections. They should make good contact and fit tight.

Disconnecting ECU Connector

4.

Remove ECU connector by pressing up the latch and folding out the wire cluster.

Fuel Injection|Page 3111 > < Engine Controls - Driveability Problems|Page 3108