Horns Always On - GMC Chevrolet Camaro 1998 Service Manual

Body and Accessories Horns 8-565
Horns Always On
Step Action Value(s) Yes No
)
1
Disconnect the horn relay.
-
Are the horns on? Go to Step2 Go to Step 3
Repair the short to B+ in CKT 29 between the underhood
2
electrical center 1 terminal F6 and the horn connection
terminal B.
-
-
Is the repair complete? System OK
Connect a test lamp from the underhood electrical center 1
3
terminal E6 to terminal F8.
-
Does the test lamp light? Go to Step 4 Go to Step 5
1. Ensure that the test lamp is still connected.
4
2. Disconnect harness connector C216.
-
Is the test lamp still on? Go to Step 6 Go to Step 7
5
Replace the horn relay. Refer to Horn Relay Replacement.
-
-
Is the repair complete? System OK
1. For vehicles without UA6, repair the short to ground
in CKT 28 between the underhood electrical center 1
terminal F8 and C216 terminal G.
6
2. For vehicles with UA6, ensure that the test lamp is
connected.
-
3. Disconnect connector C3 from the ,body control
module (BCM).
Is the test lamp still on? Go to Step B Go to Step9
Replace the horn switches. Refer to Horn Switch
7
Replacement - On Vehicle (Chevrolet) or Horn Switch
Replacement - On Vehicle (Pontiac).
-
-
Is the repair complete? System OK
Repair the short to ground in CKT 28 at one of the
following areas:
• Between the body control module (BCM) connector C3
8
terminal C9 and C216 terminal G
-
-
• Between C216 terminal G and the underhood electrical
center 1.
Is the repair complete?
System OK
Replace the body control module (BCM). Refer to Body
9
Control Module Replacement in Body Control Systems.
-
-
Is the repair complete? System OK