Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the Data Link Connector System Check performed? | -- | Go to Step 2 | |
2 |
Does the scan tool communicate with the vehicle? | -- | Go to Step 4 | Go to Step 3 |
3 | The scan tool may be malfunctioning. Refer to the scan tool instruction manual. Ensure that the scan tool is functioning. Does the scan tool operate properly? | -- | -- | |
4 |
Is the terminal contact between the DLC and the scan tool OK? | -- | Go to Step 6 | Go to Step 5 |
5 | Repair the terminal contact at the DLC. Is the repair complete? | -- | -- | |
6 | Turn the ignition switch to RUN, with the engine OFF. Does the scan tool turn ON? | -- | Go to Step 13 | Go to Step 7 |
7 | Using a DMM, measure the voltage between DLC terminal 16 and the chassis ground. Is the voltage within the specified value? | 10-15 V | Go to Step 9 | Go to Step 8 |
8 | Repair the open or the short to ground in CKT 40 (ORN). Is the repair complete? | -- | -- | |
9 | Measure the voltage from DLC terminal 16 to terminal 5. Is the voltage within the specified range? | 10-15 V | Go to Step 11 | Go to Step 10 |
10 | Repair the open in CKT 451 (BLK/WHT). Is the repair complete? | -- | -- | |
11 | Repair the open in CKT 1250 (BLK). Is the repair complete? | -- | -- | |
12 | Measure the voltage from DLC terminal 14 to ground. Is the voltage within the specified value? | 10-15 V | Go to Step 15 | Go to Step 13 |
13 | Measure the resistance from DLC terminal 14 to ground. Is the resistance within the specified range? | 0-5 ohms | Go to Step 22 | Go to Step 14 |
14 | Repair the open in CKT 835 (DK GRN) between DLC terminal 14 and C200 or the heater and the A/C programmer, if equipped. Is the repair complete? | -- | -- | |
15 |
Is the voltage within the specified range? | 10-15 V | Go to Step 17 | Go to Step 16 |
16 | Replace the heater and A/C control assembly. Is the repair complete? | -- | -- | |
17 |
Is the voltage within the specified value? | 10-15 V | Go to Step 19 | Go to Step 18 |
18 | Replace the radio. Is the repair complete? | -- | -- | |
19 |
Is the voltage within the specified range? | -- | Go to Step 21 | Go to Step 20 |
20 | Replace the heater and A/C programmer. Is the repair complete? | -- | -- | |
21 | Repair the short to battery positive voltage (B+) in CKT 835 (DK GRN). Is the repair complete? | -- | -- | |
22 |
Is the resistance within the specified range? | 0-5 ohms | Go to Step 24 | Go to Step 25 |
23 | Replace the heater and A/C control assembly. Is the repair complete? | -- | -- | |
24 |
Is the resistance within the specified range? | 0-5 ohms | Go to Step 25 | Go to Step 26 |
25 | Replace the radio. Is the repair complete? | -- | -- | |
26 |
Is the resistance within the specified range? | 0-5 ohms | Go to Step 27 | Go to Step 28 |
27 | Replace the heater and A/C programmer. Is the repair complete? | -- | -- | |
28 | Repair the short to ground in CKT 835 (DK GRN). Is the repair complete? | -- | -- |
