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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 82 (Engine Controls - Tests W/Codes - Body Control Computer) >> Self-Diagnostic Tests >> Test 21A - Courtesy Lamp System

Test 21A - Courtesy Lamp System

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, 1995 Dodge Caravan, and 1995 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy lamp system diagnostics are separated into 8 categories. Verify customer complaint and identify problem area before performing appropriate test. See DIAGNOSING COURTESY LAMP SYSTEMS table below.

DIAGNOSING COURTESY LAMP SYSTEMS

Description Perform Test
Courtesy Lamps Inoperative With Any Door Dash Switch Or Liftgate 22A
One Or More (But Not All) Courtesy Lamps Inoperative 23A
Courtesy Lamps Inoperative With Dome Lamp Switch 24A
Courtesy Lamps On At All Times 25A
Courtesy Lamps Inoperative With Left Front Door 26A
Courtesy Lamps Inoperative With Right Front Door 27A
Courtesy Lamps Inoperative With Side Front Door 28A
Courtesy Lamps Inoperative With Liftgate 29A