Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Steering Wheel Control System Check? | -- | Go to Step 2 | |
2 | Are two or less functions of any one switch assembly inoperative? | -- | Go to Step 3 | Go to Step 4 |
3 | Replace the appropriate switch assembly. Refer to Steering Wheel Control Switches Replacement . Is the replacement complete? | -- | -- | |
4 | Are both of the switch assemblies inoperative? | -- | Go to Step 5 | Go to Step 18 |
5 | Inspect the STR WHL RDO IGN fuse 18 for an open. Is the fuse open? | -- | Go to Step 6 | Go to Step 9 |
6 | Test CKT 801 (DK GRN)/CKT 43 (YEL) for a short to ground. Is there a short to ground in CKT 801 (DK GRN/CKT 43 (YEL)? | -- | Go to Step 7 | Go to Step 8 |
7 | Repair the short to ground in CKT 801 (DK GRN/CKT 43 (YEL). Is the repair complete? | -- | Go to Step 8 | -- |
8 | Replace the STR WHL RDO IGN fuse 18. Is the replacement complete? | -- | -- | |
9 | Test CKT 801 (DK GRN/CKT 43 (YEL) for an open circuit. Is there an open present in CKT 801 (DK GRN/CKT 43 (YEL)? | -- | Go to Step 10 | Go to Step 11 |
10 | Repair the open in CKT 801 (DK GRN/CKT 43 (YEL). Is the repair complete? | -- | -- | |
11 | Test CKT 1796 (DK BLU)/CKT 1011 (LT GRN) for a short to voltage? Is a short to voltage present in CKT 1796 (DK BLU)/CKT 1011 (LT GRN)? | -- | Go to Step 12 | Go to Step 13 |
12 | Repair the short to voltage in CKT 1796 (DK BLU)/CKT 1011 (LT GRN). Is the repair complete? | -- | -- | |
13 |
Is voltage within the specified range? | 0.30-4.35 V | Go to Step 17 | Go to Step 14 |
14 | Is voltage more than the specified range? | -- | Go to Step 15 | Go to Step 16 |
15 | Repair the short to voltage in the WHT wire. Is the repair complete? | -- | -- | |
16 | Repair the open in CKT 1796 (DK BLU)/CKT 1011 (LT GRN). Is the repair complete? | -- | -- | |
17 | Service the radio. Refer to Radio Replacement . Is service of the radio complete? | -- | -- | |
18 | Is the VOL up, VOL DWN and Mute switch assembly inoperative? | -- | Go to Step 19 | Go to Step 22 |
19 | Test CKT 1011 (LT GRN) to the VOL up, VOL DWN and Mute switch assembly for an open circuit. Is an open present in CKT 1011 (LT GRN)? | -- | Go to Step 20 | Go to Step 21 |
20 | Repair the open in CKT 1011 (LT GRN). Is the repair complete? | -- | -- | |
21 | Replace the switch assembly. Refer to Steering Wheel Control Switches Replacement . Is the replacement complete? | -- | -- | |
22 | Test the WHT wire for an open circuit. Is there an open in the WHT wire? | -- | Go to Step 23 | Go to Step 24 |
23 | Repair the open in the WHT wire. Is the repair complete? | -- | -- | |
24 | Test CKT 1011 (LT GRN) to the Seek Up, Seek DWN and Preset switch assembly for an open circuit. Is an open present in CKT 1011 (LT GRN)? | -- | Go to Step 20 | Go to Step 21 |
