6000 V6-173 2.8L VIN W FI (1986)
It is very important to follow all procedures carefully and completely to assure proper diagnosis and service of the Remote Control Head/Radio system.
Failure to do so may result in misdiagnosis or damage to the system. Of equal importance is discharging yourself of static electricity before working on
the system. See "NOTICE" at the beginning of this section.
SYSTEM CHECK
1.
Check Chart Use the following chart to check the operation of both the instrument panel radio and the Remote Control Head on the steering
wheel. Perform the operation given Column 1, and look for the result given in Column 2. If you do not get the expected result, see Column 3
for the appropriate action to take. Letters/numbers in parentheses after a fuse reference indicate the color/amperage rating of the fuse. "CC"
indicates the fuse is located in the Convenience Center. Throughout the chart, and Section 9H in general the instrument panel unit will be
referred to as "radio" and the steering wheel controls as "control head".
Sound System Check Chart
OPERATION (1)
EXPECTED RESULT (2)
DIAG. ACTION (3)
1.
With IGN Switch off, a. Time display appears a. Check ARC Radio fuse press RCL control on momentarily.
(YEL/20;CC).
radio
b. Check ORN (340) wire.
2.
Turn IGN switch to a. Time display appears. a. Check Radio fuse
RUN OR ACCY.
(RED/10).
b.
Check YEL (43) wire to splice S239 and Radio fuse (RED/10).
3.
With IGN switch in a. Power Antenna a. See 8A-151; Power
RUN or ACCY, turn
extends.
Antenna.
radio on and tune in
b. Program is heard
b. See "Speaker Test";
a local station.
from all speakers.
System Check #2.
Center balance and
c. See "Antenna Test";
fade controls.
System Check #3.
4.
With IGN switch a. Radio responds to a. If all controls do in RUN or ACCY, all controls. not
work properly, operate all send radio to an AC-Delco
controls at radio.
Repair Station.
5.
With IGN switch a. Radio digital a. Check BRN (9) wire in RUN or ACCY and display dims.
for voltage to ground.
radio on, turn on
If wire is good, send
headlights or park-
radio to an AC-Delco Repair
ing lights. Set
Station.
I/P lights to
b. Radio panel lamp
b. Check tail lamp fuse
maximum brightness.
lights.
(YEL/20). Check I/P
lamps fuse (TAN/5) if control head illumination is also out.
Check GRY
(8)
wire. Check LT. BLU/BLK (151) ground wire.
c.
Control head c. Check I/P lamps fuse illumination lights (TAN/5) if radio panel
evenly.
light is also out. Check
control head illumination bulbs. If bulbs are good but not lighting, perform "Control Head Power Supply
Test".
6.
With engine running a. Control head a. Perform "Control Head and headlights or illumination remains
Power Supply Test".
parking lights on,
lit, with no flickering
turn steering wheel
as wheel is turned.
slowly from lock to lock.
7.
With engine a. Radio responds to a. If the tuning controls running, headlights or tuning controls
operate at some steering
parking lights on and
smoothly with no
wheel positions, but
radio on, operate the
interruptions as
not all, perform "Control
TUNE:UP and TUNE:DOWN
the steering wheel is
Head Power Supply Test"
controls while turning
turned.
and "Optical/Slipring Test".
the steering wheel from
1" at several steering
lock to lock.
wheel positions.