Step | Action | Value(s) | Yes | No | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Was the Horns System Check performed? | -- | Go to Step 2 | Go to Horns System Check | ||||||||
2 | Remove the horn relay K63 from the relay box. Do the horns still sound? | -- | Go to Step 3 | Go to Step 4 | ||||||||
3 | Locate and repair a short to ground in one of the following circuits:
Is the repair complete? | -- | Go to Step 9 | -- | ||||||||
4 | Using a DMM, measure the resistance from terminal 6 of the horn relay K63 and a known good ground. Is the measured resistance less than the specified value? | 5ohms | Go to Step 5 | Go to Step 7 | ||||||||
5 |
Is the measured resistance less than the specified value? | 5ohms | Go to Step 6 | Go to Step 8 | ||||||||
6 |
Is the repair complete? | -- | Go to Step 9 | -- | ||||||||
7 | Replace the horn relay K63. Refer to Horn Relay Replacement . Is the replacement complete? | -- | Go to Step 9 | Go to Step 5 | ||||||||
8 | Replace the horn switch. Refer to Horn Switch Replacement - On Vehicle in Steering Wheel and Column - Tilt. Is the replacement complete? | -- | Go to Step 9 | -- | ||||||||
9 |
Do both of the horns operate properly? | -- | System OK | Go to Step 1 |