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Home >> Cadillac >> 1990 >> Allante F7/ME9 >> Repair and Diagnosis >> Body & Frame >> Power Windows >> System Tests >> Test C: Express Down Window Module Test
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Test C: Express Down Window Module Test

Connect test lamp at suspect express down window module (disconnected) See EXPRESS DOWN WINDOW MODULE TEST  table.

EXPRESS DOWN WINDOW MODULE TEST

Condition Connect Test Lamp Between (1) Correct Result
Turn Ignition Switch To Run A & Ground (2) Test Lamp Lights
Turn Ignition Switch To Run B & Ground (3) Test Lamp Does Not Light
Turn Ignition Switch To Run C & Ground (3) Test Lamp Does Not Light
In The Left Door Switch Assembly, Operate DN Switch (Hold) Associated With Suspect Motor B & Ground (4) Test Lamp Lights
In The Left Door Switch Assembly, Operate UP Switch (Hold) Associated With Suspect Motor C & Ground (4) Test Lamp Lights
(1) If results are correct, reconnect suspect express down window module and go to SYMPTOM INDEX  table.
(2) If result is not correct, check/repair wiring from terminal A for an open.
(3) If result is not correct, check/repair associated wiring from express down window module for a short to voltage. Check for a closed switch in the left door switch assembly and/or right door switch assembly (right window only).
(4) If result is not correct, check/repair associated wiring from express down window module for an open. Check continuity of switch in the left door switch assembly and/or right door switch assembly (right window only).
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