1. Disconnect C400.
2. Place the headlamp switch in the PARK position.
3. Using a test light, probe between C400 terminal E (male side) and ground.

Does the test light illuminate?

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Go to Step 3

Go to Step 2

Repair a poor connection in circuit 9, between S204 and C400 terminal E.

Has the repair been made?

--

Go to Exterior Lights System Check

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Using a test light, probe between C400 terminal E and terminal A.

Does the test light illuminate?

--

Go to Step 5

Go to Step 4

Repair a poor connection or open in circuit 350 between C400 terminal A and G302.

Has the repair been made?

--

Go to Exterior Lights System Check

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1. Reconnect C400.
2. Using a test light, backprobe the LH tail/stop/turn lamp connector terminal B to ground.

Does the test light illuminate?

--

Go to Step 7

Go to Step 6

Repair a poor connection or an open in circuit 9 between C400 terminal E and S407.

Has the repair been made?

--

Go to Exterior Lights System Check

--

Repair a poor connection or open in circuit 350 between S402 and C400 terminal A.

Has the repair been made?

--

Go to Exterior Lights System Check

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