Has the Radio/Audio System Check been performed?

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Go to Step 2

Go to Radio/Audio System Check

1. Remove the radio from the dash.
2. Disconnect radio connector C1.
3. Place the ignition switch in the RUN position, with the engine in the OFF position.
4. With a J 39200 DMM, measure the voltage in CKT 1140 (ORN) at the radio connector C1, cavity 10 to ground.

Is the voltage approximately equal to the battery voltage?

B+

Go to Step 3

Go to Step 5

With a J 39200 DMM, measure the voltage between cavities 10 and 5 of radio connector C1.

Is the voltage approximately equal to the battery voltage?

B+

Go to Step 4

Go to Step 6

With a J 39200 DMM, measure the voltage between cavities 9 and 5 of radio connector C1.

Is the voltage approximately equal to the battery voltage?

B+

Go to Step 7

Go to Step 8

Repair the open in CKT 1140 between radio connector C1 and the IP fuse block. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Radio/Audio System Check

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Repair the open in CKT 150 (BLK) between radio connector C1 and ground 200. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Radio/Audio System Check

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Send the radio in for service.

Is the repair complete?

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Go to Radio/Audio System Check

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Repair the poor connection or open in CKT 150 (BLK) between radio connector C1, cavity 9 and the IP fuse block. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Radio/Audio System Check

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