GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1999 🢒 Aurora 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Instrument Cluster Inoperative

Instrument Cluster Inoperative Buick

Step

Action

Value(s)

Yes

No

1

Did you perform the Instrument Cluster Diagnostic System Check?

--

Go to Step  2

Go to Instrument Cluster System Check

2
  1. Turn the ignition switch to the OFF position.
  2. Disconnect the instrument cluster connector  C1.
  3. Measure the resistance from the ground to the following connector  C1 terminals:
    4. • Terminal E7
    • Terminal  E12
    • Terminal F12

Are all of the resistance measurements less than the specified value?

5 ohms

Go to Step  4

Go to Step  3

3

Repair the open in CKT 351 (BLK/WHT) or CKT 150 (BLK).

Did you complete the repair?

--

Go to Instrument Cluster System Check

--

4

Measure the voltage from connector C1 terminal E14 and terminal F14 to ground.

Do both measurements equal the specified value?

10-15 V

Go to Step  6

Go to Step  5

5

Repair the open in CKT 40 (ORN).

Did you complete the repair?

--

Go to Instrument Cluster System Check

--

6
  1. Turn the ignition switch to the RUN position.
  2. Measure the voltage from connector C1 terminal  E15 and terminal  F15 to ground.

Do both measurements equal the specified value?

10-15 V

Go to Step  8

Go to Step  7

7

Repair the open or short to ground in CKT 39 (PNK)

Did you complete the repair?

--

Go to Instrument Cluster System Check

--

8

Inspect the instrument cluster connector C1 for proper terminal contact.

Is the terminal contact OK?

--

Go to Step  9

Go to Step  10

9

Replace the instrument cluster.

Did you complete the repair?

--

Go to Instrument Cluster System Check

--

10

Repair the poor terminal contact.

Did you complete the repair?

--

Go to Instrument Cluster System Check

--

Instrument Cluster Inoperative Oldsmobile

Step

Action

Value(s)

Yes

No

1

Did you perform the Instrument Cluster Diagnostic System Check?

--

Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

2
  1. Turn the ignition switch to OFF.
  2. Disconnect the instrument cluster connector C1.
  3. Disconnect the instrument cluster connector C2.
  4. Measure the resistance from ground to the following terminals:
    5. • Connector C2 terminal B10
    • Connector C1 terminal C12
    • Connector C1 terminal D12

Are all of the resistance measurements less than the specified value?

5 ohms

Go to Step 4

Go to Step 3

3

Repair the open in CKT 851 (BLK/WHT) or CKT 150 (BLK).

Did you complete the repair?

--

Go to Instrument Cluster System Check

--

4

Measure the voltage from connector C1 terminal D15 to ground.

Does the voltage equal the specified value?

10-15 V

Go to Step 6

Go to Step 5

5

Repair the open or short to ground in CKT 40 (ORN).

Did you complete the repair?

--

Go to Instrument Cluster System Check

--

6
  1. Turn the ignition switch to RUN.
  2. Measure the voltage from connector C2 terminal B1 to ground.

Is the measured voltage within the specified range?

10-15 V

Go to Step 10

Go to Step 7

7

Repair the open or short to ground in CKT 439 (PNK)

Did you complete the repair?

--

Go to Instrument Cluster System Check

--

8

Inspect the instrument cluster connector C1 and connector C2 for proper terminal contact.

Are the terminal contacts OK?

--

Go to Step 9

Go to Step 14

9

Replace the instrument cluster.

Did you complete the repair?

--

Go to Instrument Cluster System Check

--

10
  1. Leave the ignition switch in RUN.
  2. Measure the voltage from connector C2, terminal A10 to ground.

Is the measured voltage within the specified range?

10-15 V

Go to Step 12

Go to Step 11

11

Repair the open in CKT 41 (BRN).

Did you complete the repair?

--

Go to Instrument Cluster System Check

--

12
  1. Leave the ignition in RUN.
  2. Measure the voltage from connector C2, terminal B11 to ground.

Is the measured voltage within the specified range?

10-15 V

Go to Step 8

Go to Step 13

13

Repair the open on CKT 39 (PNK).

Did you complete the repair?

--

Go to Instrument Cluster System Check

--

14

Repair the poor terminal contact.

Did you complete the repair?

--

Go to Instrument Cluster System Check

--