For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Driver Information System Check? | -- | Go to Step 2 | Go to Driver Information System Check
2 |

1. Turn the ignition switch to RUN.
2. Use the scan tool DIC-IPC tests. Select the segment test.
3. Command all segments to indicate ON.

Do all DIC display segments illuminate for approximately 3 seconds?

--

Go to Step 4

Go to Step 3

3 | Inspect the DIC connector for proper terminal contact. Is the contact OK? | -- | Go to Step 5 | Go to Step 8
4 | Inspect CKT 40 (ORN) for a open. Is the wiring OK? | -- | Go to Step 9 | Go to Step 7
5 | Replace the HVAC control assembly. Did you complete the repair? | -- | Go to Driver Information System Check | --
6 | Inspect the following terminals for proper terminal contact:

1. DIC connector terminal A4
2. DIC connector terminal A6
3. DIC connector terminal B4
4. DIC connector terminal B5

Are the contacts OK?

--

Go to Driver Information System Check

Go to Step 19

7 | Repair the open in CKT 40 (ORN). Did you complete the repair? | -- | Go to Driver Information System Check | --
8 | Repair the poor terminal contact. Did you complete the repair? | -- | Go to Driver Information System Check | --
9 | Inspect for a open in CKT 41 (BRN). Is the wiring OK? | -- | Go to Step 11 | Go to Step 10
10 | Repair the open in CKT 41 (BRN). Is the wiring OK? | -- | Go to Driver Information System Check | --
11 | Inspect for a open in CKT 150 (BLK). Is the wiring OK? | -- | Go to Step 13 | Go to Step 12
12 | Repair the open in CKT 150 (BLK). Did you complete the repair? | -- | Go to Driver Information System Check | --
13 | Inspect for a open in CKT 351 (BLK/WHT). Is the wiring OK? | -- | Go to Step 15 | Go to Step 14
14 | Repair the open in CKT 351 (BLK/WHT). Did you complete the repair? | -- | Go to Driver Information System Check | --
15 | Inspect for a short to ground in CKT 40 (ORN). Is the wiring OK? | -- | Go to Step 17 | Go to Step 16
16 | Repair the short to ground in CKT 40 (ORN). Did you complete the repair? | -- | Go to Driver Information System Check | --
17 | Inspect for a short to ground in CKT 41 (BRN). Is the wiring OK? | -- | Go to Step 6 | Go to Step 18
18 | Repair the short to ground in CKT 41 (BRN). Did you complete the repair? | -- | Go to Driver Information System Check | --
19 | Repair the poor terminal contact. Did you complete the repair? | -- | Go to Driver Information System Check | --