Interior Lights Dimming System Check; Backup Lamps Inoperative - GMC Chevrolet Camaro 1998 Service Manual

Body and Accessories
Lighting Systems 8-71
Interior Lights Dimming System Check
Step Action Normal Result{s) Abnormal Result{s)*
)
1.
Turn the ignition switch to the
The following lamps are all
• Instrument Panel Lamps
RUN position.
illuminated:
Inoperative
2. Turn the 1/Pdimmer switch to
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• Instrument Panel Lamps
the low intensity position.
switches
Inoperative - One
3. Turn the headlamp switch to
• The fog lamp switch
the PARK position. • The door illumination
• The HVAC control
• The headlamp switch
• The instrument cluster
1
• The ashtray/PRNDL lamp
• The fog lamp switch
• The rear fog lamp switch (Export)
• The driver seat heater switch
• The electronic traction control
switch
• The folding top switch
(Convertible)
The vacuum fluorescent (VF) display
(radio) step dim.
Turn the 1/P lamp dimmer switch
1.
The brightness of the 1/P lamps
Lamp intensity varies erratically.
slowly to the high intensity position.
slowly increase to high.
Refer to Headlamp Switch
2
2. The VF brightness of the radio
Replacement (Chevrolet) or
Headlamp Switch Replacement
slowly increases to high.
(Pontiac).
1. Turn the 1/P lamp dimmer
• The 1/P lamps turn off.
Instrument Panel Lamps Do Not Dim
switch to the low intensity
• The radio VF display turns off.
')
3 position.
2. Turn the headlamp switch to
the OFF position.
• Refer to the appropriate symptom diagnostic table for the applicable abnormal result.
Backup Lamps Inoperative
Step Action Value(s) Yes No
Was the entire backup lights system check performed? Go to Backup
1
-
Lights
Go to Step 2 System Check
Inspect to determine if the backup lamps are damaged
2
or open.
-
Are the backup lamps damaged or open? Go to Step 3 Go to Step 4
Replace the backup lamps. Refer to Backup Lamp Bulb
3
Replacement (Chevrolet) or Backup Lamp Bulb
- -
Replacement (Pontiac).
Is the repair complete?
Go to Step 17
1.
Place the ignition in the RUN position.
2. Set the park brake.
3. Apply the brake pedal.
4
4. Place the transmission in the REVERSE position.
-
5. Backprobe with a test light from connector C400
terminal F to ground.
Does the test light illuminate?
Go to Step 5 Go to Step 6