Download Memorex MPH-1089 Service manual

8-102 Lighting Systems
Body and Accessories
DRL Operate in Blackout (B/O) Mode
Step
Action
Yes
No
Schematic Reference: Exterior Lights Schematics and Interior Lights Schematics
1
Did you review Blackout (B/O) Lighting Description and
Operation?
Go to Step 2
Go to Blackout
(B/O) Lighting
Circuit Operation
Go to Step 3
Go to Step 6
Go to Step 5
Go to Step 4
1. Place the blackout (B/O) service switch in blackout
(B/O) mode.
2
2. Connect a test lamp at cavity C of the blackout (B/O)
switch and ground.
Does the test lamp illuminate?
1. Disconnect the blackout (B/O) service switch connector
from the switch.
3
2. Connect a test lamp at cavity C of the connector and
ground.
Does the test lamp illuminate?
4
Replace the blackout (B/O) service switch. Refer to Blackout
(B/O) Switch Replacement.
Did you complete the replacement?
5
6
7
8
9
___
Go to Step 9
Locate and repair the short to voltage on circuit 912 (OG).
Did you complete the repair?
Go to Step 9
___
Remove the DRL interrupt relay from the relay module.
Are the DRLs illuminated?
Go to Step 8
Replace the DRL relay.
Did you complete the replacement?
Go to Step 9
Locate and repair the short to voltage on circuit 592 (L-GN/BK).
Did you complete the repair?
Go to Step 9
Go to Step 7
___
___
Operate the system in order to verify the repair.
Did you correct the condition?
System OK
Go to Step 2
Yes
No
Backup Lamps Inoperative
Step
Action
Schematic Reference: Exterior Lights Schematics and Interior Lights Schematics
1
Did you review Blackout (B/O) Lighting Description and
Operation?
2
Is only one backup lamp inoperative?
3
Test the backup lamp supply voltage circuit of the inoperative
bulb for high resistance, an open, or a short to ground.
Did you find and correct the condition?
2006 LSSV Service Manual Supplement
Go to Step 2
Go to Blackout
(B/O) Lighting
Circuit Operation
Go to Step 3
Go to Step 4
Go to Step 17
Go to Step 5