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 Inaccurate

Driver Information Center (DIC) Temperature Display Inaccurate 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 module Temperature display is inaccurate.

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. Disconnect the ambient air temperature sensor connector.
  2. Using a J 39200 digital multimeter (DMM), measure the resistance across the ambient air temperature sensor terminals at two different temperatures. Refer to Circuit Testing in Wiring Systems.
  3. Compare the readings to the specified values. Refer to Outside Air Temperature Sensor Resistance .

Are the readings within specifications?

--

Go to Step 5

Go to Step 4

4

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

Is the repair complete?

--

Go to Step 6

--

5

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

Is the repair complete?

--

Go to Step 6

--

6

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 Inaccurate 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 information display module Temperature display is inaccurate.

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. Disconnect the ambient air temperature sensor conector.
  2. Using a J 39200 digital multimeter (DMM), measure the resistance across the ambient air temperature sensor terminals at two different temperatures. Refer to Circuit Testing in Wiring Systems.
  3. Compare the readings to the specified values. Refer to Outside Air Temperature Sensor Resistance .

Are the readings within specifications?

--

Go to Step 5

Go to Step 4

4

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

Is the repair complete?

--

Go to Step 6

--

5

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

Is the repair complete?

--

Go to Step 6

--

6

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 3