Were you sent here from the Interior Lights Diagnostic System Check?

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Go to Step 2

Go to Interior Lights Diagnostic System Check

1. Connect a DMM between the inoperative rear (LH/RH) courtesy lamp connector terminal B and ground.
2. Measure for continuity to ground in the CKT 150.

Is the CKT 150 continuous to ground?

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Go to Step 4

Go to Step 3

Repair CKT 150 for an open or a short to battery voltage.

Is the repair complete?

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Go to Interior Lights Diagnostic System Check

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1. Connect the DMM between the inoperative rear (LH/RH) courtesy lamp connector terminal A and ground.
2. Remove the Courtesy LP Micro Relay #42 from the Instrument Panel Electrical Center.
3. Connect a fuse jumper between pins 30 and 87 of the Instrument Panel Electrical Center.
4. Measure the available voltage at the connector.

Is the measured voltage within the specified value?

10.0-14.0V

Go to Step 8

Go to Step 5

Check the C/LALDL MiniFuse ® #29 for an open.

Is the fuse open?

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Go to Step 6

Go to Step 7

Repair CKT 740 for an open.

Is the repair complete?

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Go to Interior Lights Diagnostic System Check

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Repair CKT 740 for a short to ground.

Is the repair complete?

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Go to Interior Lights Diagnostic System Check

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Replace the rear courtesy lamp.

Is the repair complete?

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Go to Interior Lights Diagnostic System Check

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