GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 Jimmy - 2WD 🢒 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

Was the Driver Information Center System Check performed?

--

Go to Step 2

Go to Driver Information System Check

2
  1. Turn the ignition switch to the OFF position.
  2. Disconnect the ambient air sensor temperature 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 3

Go to Step 4

3

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

Is the repair complete?

--

Go to Driver Information System Check

--

4
  1. Disconnect the driver information center (DIC) 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 DIC connector to ground.

Does the test lamp light?

--

Go to Step 6

Go to Step 5

5

Repair the open or high resistance in CKT 735 between the ambient air temperature sensor connector terminal B and the DIC connector terminal 10.

Is the repair complete?

--

Go to Driver Information System Check

--

6
  1. Disconnect the DIC connector.
  2. Using the J 35616 , frontprobe the ambient air temperature sensor cavity A with the test lamp connected to the battery positive terminal.

Does the test lamp light?

--

Go to Step 8

Go to Step 7

7

Repair the open or excessive resistance in CKT 451 between the ambient air temperature sensor connector terminal A and G105.

Is the repair complete?

--

Go to Driver Information System Check

--

8

Replace the DIC. Refer to Driver Information Center Replacement .

Is the repair complete?

--

Go to Driver Information System Check

--

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

Step

Action

Value(s)

Yes

No

1

Was the Driver Information Center System Check performed?

--

Go to Step 2

Go to Driver Information System Check

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

Does the display show SC?

--

Go to Step 3

Go to Step 4

3

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

Is the repair complete?

--

Go to Driver Information System Check

--

4
  1. Disconnect the driver information center (DIC) 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 DIC connector to ground.

Does the test lamp light?

--

Go to Step 6

Go to Step 5

5

Repair the open or high resistance in CKT 735 between the ambient air temperature sensor connector terminal B and the DIC connector terminal 8.

Is the repair complete?

--

Go to Driver Information System Check

--

6
  1. Disconnect the DIC connector.
  2. Using the J 35616 , frontprobe the ambient air temperature sensor cavity A with the test lamp connected to the battery positive terminal.

Does the test lamp light?

--

Go to Step 8

Go to Step 7

7

Repair the open or excessive resistance in CKT 451 between the ambient air temperature sensor connector terminal A and G105.

Is the repair complete?

--

Go to Driver Information System Check

--

8

Replace the DIC. Refer to Driver Information Center Replacement .

Is the repair complete?

--

Go to Driver Information System Check

--