Was the Defogger System Check performed?

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Go to Step 2

Go to Defogger System Check

Are both Rear Window Defoggers inoperative?

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Go to Step 3

Go to Step 14

1. Disconnect the Left or the Right Rear Window Defogger.
2. Connect a J 39200 between the following components:

•	Connector Cavity A for the BLK (150) wire on the disconnected defogger grid.

•	A known good Ground

3. Inspect the circuit for continuity.

Is continuity present?

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Go to Step 4

Go to Step 5

1. Remove the Rear Window Defogger Relay from the Rear Window Defogger Relay socket.
2. Connect a J 39200 between the following components:

•	The Rear Window Defogger Relay Connector Cavity A2

•	The Window Element Connector Cavity A for the PPL (293) wire.

3. Inspect the circuit for continuity.

Is continuity present?

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Go to Step 6

Go to Step 7

Repair the open in CKT 150.

Is the repair complete?

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Go to Defogger System Check

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Connect an unpowered test lamp between the following components:

Did the test lamp light?

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Go to Step 8

Go to Step 9

1. Locate the open in PPL (293) wire between the following components:

•	The Rear Window Defogger Relay Connector Cavity A2

•	The Splice S317

2. Repair the open in PPL (293) wire between the following components:

•	The Rear Window Defogger Relay Connector Cavity A2

•	The Splice S317

Is the repair complete?

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Go to Defogger System Check

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1. Connect an unpowered test lamp between the following components:

•	The Rear Window Defogger Relay Connector Cavity A1

•

Ground

2. Turn the ignition switch to the RUN position.
3. Depress the Rear Defogger Switch

Did the test lamp light?

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Go to Step 10

Go to Step 11

1. Locate the open in ORN (1540) wire between the following components:

•	The Rear Window Defogger Relay Connector Cavity C1

•	The RR FOG fuse

2. Repair the open in ORN (1540) wire between the following components:

•	The Rear Window Defogger Relay Connector Cavity C1

•	The RR FOG fuse

Is the repair complete?

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Go to Defogger System Check

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Connect an unpowered test lamp between the following components:

Did the test lamp light?

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Go to Step 12

Go to Step 13

1. Locate the open in ORN (267) wire between the following components:

•	The Rear Window Defogger Relay Connector Cavity A1

•	The Splice S245

2. Repair the open in ORN (267) wire between the following components:

•	The Rear Window Defogger Relay Connector Cavity A1

•	The Splice S245

Is the repair complete?

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Go to Defogger System Check

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Replace the Rear Window Defogger Relay.

Is the repair complete?

--

Go to Defogger System Check

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1. Locate the open in BLK (150) wire between the following components:

•	The Rear Window Defogger Relay Connector Cavity C2

•	The Splice S202

2. Repair the open in BLK (150) wire between the following components:

•	The Rear Window Defogger Relay Connector Cavity C2

•	The Splice S202

Is the repair complete?

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Go to Defogger System Check

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1. Disconnect the Rear Window Defogger Element Connector.
2. Connect an unpowered test lamp the following components:

•	The Rear Window Defogger Element Connector Cavity A for the PPL (293) wire

•

Ground

3. Turn the ignition switch to the RUN position.
4. Depress the Rear Defogger Switch.

Did the test lamp light?

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Go to Step 15

Go to Step 7

1. Connect an unpowered test lamp between the following components:

•	The Connector Cavity A for the PPL (293) wire

•	The Cavity A for the BLK (150) wire.

2. Turn the ignition switch to the RUN position.
3. Depress the Rear Defogger Switch.

Did the test lamp light?

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Go to Step 16

Go to Step 17

Perform one of the following procedures:

Is the repair complete?

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Go to Defogger System Check

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1. Locate the open in BLK (150) wire between the following components:

•	The Rear Window Defogger Element Connector Cavity A

•	The Splice S303

2. Repair the open in BLK (150) wire between the following components:

•	The Rear Window Defogger Element Connector Cavity A

•	The Splice S303

Is the repair complete?

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Go to Defogger System Check

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