For Fuel Injection ECU

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.

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 16:

6. Turn ignition ON.
7. Connect an ohmmeter between ground and pin 16.
8. Move selector to the A/C position.

Reading should: change

9. If not, check wiring to A/C control panel. Repair as needed. If no fault can be found, problem is A/C control panel or A/C system related. See HEATING VENTILATION AND AIR CONDITIONING for testing procedure.

Assemble Connector:

10. Disconnect the test equipment. Reconnect the ECU and all other connectors, install the kick panel and glove compartment.