Test Procedure (Fuel System)

NOTE: Diagnostic Codes are not available for fuel injection testing on these models.

Each of 12 switch positions on Calibration Test Instrument (8190 ) corresponds to a specific component and its appropriate voltage. The following lists explains each test chart column:

First column indicates switch position.
Second column indicates function or component being tested.
Third column indicates what reading tester should show.
Fourth column indicates required repair.