Inspect the STOP LAMP fuse.

Is the fuse open?

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Go to Step 2

Go to Step 3

Repair a short to ground in one of the following circuits:

Is the repair complete?

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Go to Exterior Lights System Check

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Use a test lamp in order to backprobe the stop lamp switch harness connector C1 between terminal A and ground.

Did the test lamp light?

--

Go to Step 4

Go to Step 7

1. Use a test lamp in order to backprobe the stop lamp switch harness connector C1 terminal B and ground.
2. Depress and hold the brake pedal while observing the test lamp.

Did the test lamp light?

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Go to Step 5

Go to Step 6

1. Use a test lamp in order to backprobe between connector C203 terminal A8 and ground.
2. Depress and hold the brake pedal while observing the test lamp.

Does the test lamp light?

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Go to Step 9

Go to Step 8

Adjust or replace the stop lamp switch. Refer to Stop Lamp Switch Replacement in Hydraulic Brakes.

Is the repair complete?

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Go to Exterior Lights System Check

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Repair the following conditions in CKT 140:

Is the repair complete?

--

Go to Exterior Lights System Check

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Repair the following conditions in CKT 17 between the stop lamp switch harness connector C1 terminal B and C203 terminal A8:

Is the repair complete?

--

Go to Exterior Lights System Check

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Repair the following conditions in CKT 17 between C203 terminal  A8 and S415:

Is the repair complete?

--

Go to Exterior Lights System Check

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