Electronic Control System

ELECTRONIC CONTROL SYSTEM

a. Before removing SFI wiring connectors, terminals, etc., first disconnect the power by either turning the ignition switch OFF or disconnecting the negative (-) terminal cable from the battery.

HINT: Always check the diagnostic trouble code before disconnecting the negative (-) terminal cable from the battery.

b. When installing the battery, be especially careful not to incorrectly connect the positive (+) and negative (-) cables.

c. Do not permit parts to receive a severe impact during removal or installation. Handle all SFI parts carefully, especially the ECM.

d. Be careful during troubleshooting, as there are numerous transistor circuits and even slight terminal contact can cause further troubles.

e. Do not open the ECM cover.

f. When making the inspection during rainy weather, take care to prevent entry of water. Also, when washing the engine compartment, prevent water from getting into the SFI parts and wiring connectors.

g. Parts should be replace with an assembly.

h. Care should be taken when pulling out and inserting the wiring connectors.
1. Release the lock and pull out the connector, pulling on the connectors.
2. Fully insert the connector and check that it is locked.




i. Use SST for the inspection or test of the injector or its wiring connector.

SST 09842-30080