GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Radio/Audio System Check performed?

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Go to Step 2

Go to Radio/Audio System Check

2

  1. Disconnect the compact disc changer.
  2. Measure the voltage from the compact disc changer connector terminal 5 to ground.

Is the voltage within the specified range?

10-15 V

Go to Step 4

Go to Step 3

3

Repair the open or short to ground in CKT 2240 (ORN).

Did you complete the repair?

--

Go to Radio/Audio System Check

--

4

Measure the voltage from the compact disc changer connector terminal 5 to terminal 7.

Is the voltage within the specified range?

10-15 V

Go to Step 5

Go to Step 6

5

Repair the open in CKT 1351 (BLK/WHT).

Did you complete the repair?

--

Go to Radio/Audio System Check

--

6

Inspect CKT 835 (DK GRN) for an open, short to ground, or short to power.

Is CKT 835 (DK GRN) open or shorted?

--

Go to Step 7

Go to Step 8

7

Repair the open, short to ground, or short to power in CKT 835 (DK GRN).

Did you complete the repair?

--

Go to Radio/Audio System Check

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8

Replace the compact disc changer.

Did you complete the repair?

--

Go to Radio/Audio System Check

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