Steering Wheel Controls Inoperative - GMC Chevrolet Camaro 1998 Service Manual

Body and Accessories
Entertainment 8-225
Antenna Poor Reception (cont'd)
Step Action Value(s) Yes No
8
Wiggle the antenna coax while observing the DMM.
-
Does the meter indicate intermittent continuity?
Go to Step 9 System OK
Inspect the coaxial cable interconnects for a poor
9
connection or corrosion.
-
Is either symptom present?
Go to Step 10 System OK
Repair/Replace the antenna coaxial circuit. Refer to Power
Go to Power
10
Antenna Motor Replacement.
-
Antenna
-
Is the repair complete?
System Check
Steering Wheel Controls Inoperative
Step Action Value(s) Yes
No
Was the entire Steering Wheel Control System check Go to Steering
1 performed?
-
Wheel Control
Go to Step2 System Check
Turn the radio on.
2 -
Are all of the radio functions operating normally?
Go to Step 3 Go to Step 4
1. Disconnect Connector C217.
2. Measure the resistance with a DMM, probing
between connector C217 (female side) terminals A
3
and term C while pressing each of the steering wheel
-
radio control buttons.
3. Compare the resistance values to the chart following
the diagnosis table.
Are the resistance values approximately equal? Go to Step 5 Go to Step 6
1. Disconnect the radio connector C3.
4
2. Inspect circuit 1796 for a short to B+ or ground.
-
Is a short present?
Go to Step 7 Go to Step 10
5
Inspect circuit 1796 for an open or a poor connection.
-
Is there an open or a poor connection? Go to Step 8 Go to Step 10
Inspect the SIR coil for an open or a poor connection.
6
Refer to Disabling the SIR System. -
Is there an open or a poor connection?
Go to Step 8 Go to Step 9
7
Repair the short to B+ or ground.
-
-
Is the repair complete?
Go to Step 11
8
Repair the open or the poor connection in circuit 1796.
-
-
Is the repair complete?
Go to Step 11
Replace the steering wheel controls. Refer to Steering
9
Wheel Control Switches Replacement.
-
-
Is the repair complete?
Go to Step 11
Repair the radio. Refer to Radio Replacement (Chevrolet)
10
or Radio Replacement (Pontiac).
-
-
Is the repair complete? Go to Step 11
1. Turn the ignition switch to the OFF position.
Go to Steering
11
2. Reconnect all connectors/components removed.
-
Wheel Control
-
Have all repairs been made? System Check