Fuel Injection

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 CHASSIS ELECTRICAL 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.

Removing Protective Cover:

5. Remove connector protective sleeve.
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 18:

6. Turn ignition ON.
7. Connect a voltmeter between pin 18 at ECU connector and ground (checking ignition switch).

Reading: approx. 12 volts

8. If not, check wiring, fuses #12 #13 (located behind center console ash tray) and connectors. If no fault found, replace ignition switch and retest.
9. Crank starter motor.

Reading: no less than 10.5 volts

If not, check wiring and connectors. If no fault found, replace ignition switch and retest.
10. Turn ignition OFF.