GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 Jimmy - 4WD 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Driver Information Center (DIC) Temperature Display Always Reads OC

Driver Information Center (DIC) Temperature Display Always Reads OC w/ Trip Computer

Step

Action

Value(s)

Yes

No

1

Did you review the driver information system operation and perform the necessary inspections?

--

Go to Step 2

Go to Symptoms - Driver Information System

2

Verify that the driver information display moduleTemperature display always reads OC.

Does the driver information system operate normally?

--

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3
  1. Turn the ignition switch to the OFF position.
  2. Disconnect the ambient air temperature sensor connector.
  3. Connect a fused jumper to the ambient air temperature sensor connector terminal A to terminal B.

Does the display show SC?

--

Go to Step 4

Go to Step 5

4

Replace the ambient air temperature sensor. Refer to Ambient Air Temperature Gage Sensor Replacement .

Is the repair complete?

--

Go to Step 10

--

5
  1. Disconnect the driver information display module connector.
  2. Using the J 35616 , frontprobe the ambient air temperature sensor cavity B with the test lamp connected to the battery positive terminal.
  3. Using the J 35616 , connect cavity 10 of the driver information display module to ground. Refer to Circuit Testing in Wiring Systems.

Does the test lamp light?

--

Go to Step 7

Go to Step 6

6

Repair the open or high resistance in CKT 735 (LT GRN /BLK) between the ambient air temperature sensor connector terminal B and the driver information display module connector terminal 10. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Step 10

--

7
  1. Disconnect the driver information display module connector.
  2. Using the J 35616 , frontprobe the ambient air temperature sensor cavity A with the test lamp connected to the battery positive terminal. Refer to Circuit Testing in Wiring Systems.

Does the test lamp light?

--

Go to Step 9

Go to Step 8

8

Repair the open or excessive resistance in CKT 451 (BLK/WHT) between the ambient air temperature sensor connector terminal A and G105. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Step 10

--

9

Replace the driver information display module. Refer to Driver Information Center Module Replacement .

Is the repair complete?

--

Go to Step 10

--

10

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 3

Driver Information Center (DIC) Temperature Display Always Reads OC w/o Trip Computer

Step

Action

Value(s)

Yes

No

1

Did you review the driver information system operation and perform the necessary inspections?

--

Go to Step 2

Go to Symptoms - Driver Information System

2

Verify that the driver infromation display module temperature display always reads OC.

Does the driver information system operate normally?

--

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3
  1. Turn the ignition switch to the OFF position.
  2. Disconnect the ambient air temperature sensor connector.
  3. Using the J 35616 , connect a fused jumper to the ambient air temperature sensor connector terminal A to terminal B. Refer to Circuit Testing in Wiring Systems.

Does the display show SC?

--

Go to Step 4

Go to Step 5

4

Replace the ambient air temperature sensor. Refer to Ambient Air Temperature Gage Sensor Replacement .

Is the repair complete?

--

Go to Step 10

--

5
  1. Disconnect the driver information display module connector.
  2. Using the J 35616 , frontprobe the ambient air temperature sensor cavity B with the test lamp connected to the battery positive terminal.
  3. Using the J 35616 , connect cavity 8 of the driver information display module connector to ground. Refer to Circuit Testing in Wiring Systems.

Does the test lamp light?

--

Go to Step 7

Go to Step 6

6

Repair the open or high resistance in CKT 735 (LT GRN/BLK) between the ambient air temperature sensor connector terminal B and the driver information display module connector terminal 8. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Step 10

--

7
  1. Disconnect the driver information display module connector.
  2. Using the J 35616 , frontprobe the ambient air temperature sensor cavity A with the test lamp connected to the battery positive terminal. Refer to Circuit Testing in WIring Systems.

Does the test lamp light?

--

Go to Step 9

Go to Step 8

8

Repair the open or excessive resistance in CKT 451 (BLK/WHT) between the ambient air temperature sensor connector terminal A and G105. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Step 10

--

9

Replace the driver information display module. Refer to Driver Information Center Module Replacement .

Is the repair complete?

--

Go to Step 10

--

10

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 3