Rearview mirror lamps inoperative
Step
| Action
| Value(s)
| Yes
| No
|
1
| Were you sent here from the Interior Lights System Check?
| --
|
Go to Step 2
| Go to
Interior Lamps System Check
|
2
|
- Connect a DMM between the rearview mirror connector terminal C
and ground.
- Measure for continuity to ground in the CKT 150.
Is the CKT 150 continuous to ground?
| --
|
Go to Step 4
|
Go to Step 3
|
3
| Repair
CKT 150 for an open.
Is the repair complete?
| --
| Go to
Interior Lamps System Check
| --
|
4
|
- Connect the DMM between the rearview mirror connector terminal
B and ground.
- Remove the MONITORED LD Micro Relay #37 from the Instrument Panel
Electrical Center.
- Connect a fuse jumper between the BAT terminal and the CKT 640
terminal (which is used for the MONITORED LD Micro Relay #37) in the Instrument
Panel Electrical Center.
- Measure the available voltage at the connector.
Is the measured voltage within the specified value?
| 10.0-14.0V
|
Go to Step 5
|
Go to Step 6
|
5
|
- Connect the DMM between the rearview mirror connector terminal
A and ground.
- Remove the CTSY LP Micro Relay #42 from the Instrument Panel Electrical
Center.
- Connect a fuse jumper between the BAT terminal and the CKT 740
terminal (which is used for the CTSY LP Micro Relay #42) in the Instrument
Panel Electrical Center.
- Measure the available voltage at the connector.
Is the measured voltage within the specified value?
| 10.0-14.0V
|
Go to Step 12
|
Go to Step 9
|
6
| Check the MONITORED LD MiniFuse
® #2 for an open.
Is the fuse open?
| --
|
Go to Step 7
|
Go to Step 8
|
7
| Repair
CKT 640 for a short to ground.
Is the repair complete?
| --
| Go to
Interior Lamps System Check
| --
|
8
| Repair CKT 640 for an open.
Is the repair complete?
| --
| Go to
Interior Lamps System Check
| --
|
9
| Check the C/LALDL MiniFuse ® #29 for an open.
Is the fuse open?
| --
|
Go to Step 10
|
Go to Step 11
|
10
| Repair
CKT 740 for a short to ground.
Is the repair complete?
| --
| Go to
Interior Lamps System Check
| --
|
11
| Repair CKT 740 for an open.
Is the repair complete?
| --
| Go to
Interior Lamps System Check
| --
|
12
| Replace the rear courtesy lamp.
Is the repair complete?
| --
| Go to
Interior Lamps System Check
| --
|
