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Home >> Cadillac >> 1990 >> Seville V8-273 4.5L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> Input Switch Test Failure Diagnostic Tests >> Input EI84 - Cruise Control Resume/Accel Switch
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Input EI84 - Cruise Control Resume/Accel Switch

Input Test EI84:




Cruise Control Circuit:






DISPLAY CONFIGURATION:

After the diagnostic trouble codes have been displayed, the Driver Information Center (DIC) will display "ECM?". Depress the HI blower button. The display will change to read PCM/ECM data. Depress the LO blower button. The display will change to read PCM/ECM inputs. Depress the HI blower button. The display will change to read C/C BRAKE EI70. Place the cruise control ON/OFF switch in the ON position. Depress the LO blower button six times. The display will change to read LO 0 C/C RES/AC EI84. When the cruise control RESUME/ACCEL switch is depressed the display will change to read HI X. The change from 0 to X indicates that the test has been successfully completed.

TEST DESCRIPTION:

This test detects the close of the RESUME/ACCEL power switch in the turn signal lever at terminal C3 of the PCM/ECM.

NOTE: The cruise switch must be on to perform this test. Switch test EI82 should be performed before this test to ensure power to the RESUME/ACCEL switch.