volvo Workshop Repair Guides

Volvo Workshop Service and Repair Manuals

Fuel Injection Signal|Page 1451 > < Crankshaft Position/Engine Speed Sensor <--> [Engine Speed Sensor]|Locations
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Crankshaft Position/Engine Speed  Sensor: Testing and Inspection
Fuel Injection Signal

TESTING PROCEDURE:

NOTE: While trouble shooting, always check the wiring, fuses and connectors for good condition and routing. Also check ground locations for good

connection. Use the wiring diagrams found in SCHEMATIC DIAGRAMS to supplement your testing efforts.

Color Code Legend

Checking ECU Ground Connections

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.

Removing ECU Connector

4.

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

Fuel Injection Signal|Page 1451 > < Crankshaft Position/Engine Speed Sensor <--> [Engine Speed Sensor]|Locations