Courtesy Lamps Inoperative With Doors Open (Without Door Jamb Switches) - GMC Chevrolet Camaro 1998 Service Manual

Body and Accessories Lighting Systems 8-77
Courtesy Lamps Inoperative with Doors Open (With Door Jamb Switches) (cont'd)
Step
Action
Value(s) Yes
No
)
1. Test for a poor connection at the door jamb switch.
2.
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-
8
3. If the connection and ground are OK, replace the
-
-
door jamb switch.
Is the repair complete? System OK
Turn on the rearview mirror courtesy/reading lamp
9
switches. -
Go to Step 11
Are the courtesy/reading lamps on? Go to Step 10
10
Repair the open in CKT 149 between the BCM and 8241.
- -
Is the repair complete? System OK
11
Repair the open in CKT156 between the BCM and 8247.
-
-
Is the repair complete? System OK
Courtesy Lamps Inoperative with Doors Open (Without Door Jamb Switches)
Step Action Value(s) Yes No
Important: To prevent misdiagnosis, check for body control module (BCM) diagnostic trouble codes (DTCs). Refer to Body
Control Systems.
1
Open both of the doors.
-
Go to Step 11 Are the courtesy lamps on? Go to Step 2
1. Open each door, one at a time, in order to determine
which is inoperative.
2. Using a fused jumper connected to ground,
2
backprobe the body control module (BCM)
-
connector C3 terminal 011 (driver door) or
terminal 012 (passenger door).
Are the courtesy lamps on? Go to Step 4
Go to Step 3
1. Test for a poor connection at BCM connector C3
terminal 011 (driver door) or terminal 012.
3
2. If the connection is OK, replace the BCM. Refer to
-
-
Body Control Module Replacement.
Is the repair complete? System OK
Using a fused jumper connected to ground, backprobe
4
connector C200C terminal 4 (driver door) or terminal 5
(passenger door).
-
Are the courtesy lamps on? Go to Step 5
Go to Step 6
1 . Disconnect the inoperative front side door lock.
5
2. Connect a fused jumper from side door lock switch
-
terminal A to ground.
Are the courtesy lamps on? Go to Step B Go to Step 7
1. Test for a poor connection at connector C200.
2. If the connection is OK, repair the open in circuit 745
6
(driver door) or 746 (passenger door) between
-
-
connector C200 and the BCM.
Is the repair complete? System OK
1. Test for a poor connection at connector C200.
2. If the connection is OK, repair the open in circuit 745
7
(driver door) or 746 (passenger door) between
-
-
connector C200 and the front side door lock.
Is the repair complete?
System OK