Driver Information Center (DIC) Display Blank, Mode Indicator Changes with Mode Button. GMC Truck Jimmy

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1998 🢒 Jimmy - 2WD 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Driver Information Center (DIC) Display Blank, Mode Indicator Changes with Mode Button

Driver Information Center (DIC) Display Blank, Mode Indicator Changes with Mode Button w/ Trip Computer

Step

Action

Value(s)

Yes

Was the Driver Information Center System Check performed?

Go to Step 2

Go to Driver Information System Check

Has the vehicle been checked for diagnostic trouble codes (DTCs)?

Go to Step 3

Go to Powertrain On Board Diagnostic (OBD) System Check - 2.2L engines Powertrain On Board Diagnostic (OBD) System Check - 4.3L engines in Engine Controls

Disconnect the DIC connector.
Connect the J 39200 digital multimeter (DMM) from the DIC connector terminal 14 to ground.

Is the voltage within the specified value?

10-14 V

Go to Step 5

Go to Step 4

Repair the following conditions in CKT 40 between the DIC connector terminal 14 and the CTSY LP fuse in the IP fuse block:

•

Opens

•	High resistance

•	A short to ground

Is the repair complete?

Go to Driver Information System Check

Turn the ignition switch to the RUN position.
Connect a J 39200 digital multimeter (DMM) from the DIC connector terminal 7 to ground.

Is the voltage within the specified range?

10-14 V

Go to Step 7

Go to Step 6

Repair the following conditions in CKT 1301 between the DIC connector terminal 7 and the RDO IGN fuse in the IP fuse block:

•

Opens

•	High resistance

•	A short to ground

Is the repair complete?

Go to Driver Information System Check

Turn the ignition switch to the OFF position.
Measure the resistance from the DIC connector terminal 8 to ground.
Disconnect the DIC.
Backprobe the DIC.

Is the resistance within the specified range?

0-3 ohms

Go to Step 9

Go to Step 8

Repair the following conditions in CKT 451 between the DIC connector terminal 8 and G105:

•

Opens

•	High resistance

•	A short to battery voltage

Is the repair complete?

Go to Driver Information System Check

Inspect the DIC connector for a poor connection.

Are the connections OK?

Go to Step 11

Go to Step 10

Repair the DIC connections as necessary.

Is the repair complete?

Go to Driver Information System Check

Replace the DIC. Refer to Driver Information Center Replacement .

Is the repair complete?

Go to Driver Information System Check

Driver Information Center (DIC) Display Blank, Mode Indicator Changes with Mode Button w/o Trip Computer

Step	Action	Value(s)	Yes	No
1	Did you perform the Driver Information Center System Check?	--	Go to Step 2	Go to Driver Information System Check
2	Inspect for any diagnostic trouble codes (DTCs) that may interfere with the operation of the driver information display module. Are any DTCs set?	--	Go to the Applicable DTC	Go to Step 3
3	Test for voltage at driver information display module cavity 5. Is voltage present?	--	Go to Step 5	Go to Step 4
4	Inspect RDO IGN fuse 24. Is the fuse blown?	--	Go to Step 9	Go to Step 6
5	Connect a test lamp from driver information display cavity 5 to cavity 6. Does the test lamp light?	--	Go to Step 8	Go to Step 7
6	Locate and repair the open in CKT 1301 between the driver information display module and the IP fuse block. Is the repair complete?	--	Go to Driver Information System Check	--
7	Locate and repair the open in CKT 451 between the driver information display module cavity 6 and G105. Is the repair complete?	--	Go to Driver Information System Check	--
8	Replace the driver information display module. Refer to Driver Information Center Module Replacement . Is the repair complete?	--	Go to Driver Information System Check	--
9	Locate and repair the short to ground in CKT 1301 between the driver information display module and the IP fuse block. Is the repair complete?	--	Go to Driver Information System Check	--