Headlamps Inoperative - Flash to Pass

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

Step	Action	Yes	No
Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics Connector End View Reference: Master Electrical Component List in Wiring Systems
1	Did you perform the Diagnostic System Check - Vehicle?	Go to Step 2	Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2	Turn the ignition to the ON position. Turn the headlamp switch to the OFF position. Place the headlamp dimmer switch in the flash to pass position. Do the high beam headlamps illuminate during flash to pass operation?	Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems	Go to Step 3
3	Turn the headlamp switch to the HEAD position. Place the headlamp dimmer switch in the high beam position. Do the high beam headlamps operate properly?	Go to Step 4	Go to Headlamps Inoperative - High Beams
4	Disconnect the multifunction turn signal switch. Connect a jumper between the flash to pass switch signal circuit and ground. Do the high beam headlamps illuminate?	Go to Step 5	Go to Step 6
5	Inspect for poor connections at the harness connector of the multifunction switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 8	Go to Step 7
6	Repair a high resistance or an open in the flash to pass switch signal circuit of the headlamp dimmer switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair?	Go to Step 8	-
7	Replace the multifunction turn signal switch. Refer to Multifunction, Turn Signal Switch Replacement in Steering Wheel and Column. Did you complete the repair?	Go to Step 8	-
8	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2