DEFINITION: This diagnostic procedure should only be used to diagnose a complete failure of the park lamp system.

Was the Exterior Lamp System Check performed?

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Go to Step 2

Go to Exterior Lights System Check

1. Disconnect the headlamp and panel dimmer switch.
2. Connect a DMM, set on volts , between cavity H and ground.

Is there Battery voltage?

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Go to Step 3

Go to Step 5

1. With the headlamp and panel dimmer switch disconnected, place the switch in the park lamp position.
2. Connect a DMM, set on ohms, between cavity H and cavity S.

Is there continuity?

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Go to Step 4

Go to Step 6

Repair open in CKT 9 (BRN) between headlamp and panel switch and S210. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Exterior Lights System Check

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Repair open in CKT 240 (ORN) between headlamp and panel switch and The I/P fuse block. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Exterior Lights System Check

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Replace the headlamp and panel dimmer switch.

Is the repair complete?

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Go to Exterior Lights System Check

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