Rear Fog Lamp Indicator Inoperative
Step
| Action
| Value(s)
| Yes
| No
|
1
| Where you sent here from the Foglamp Diagnostic System
Check?
|
|
Go to Step 2
| Go to Foglamp Diagnostic System Check
|
2
| Are both the LH/RH rear foglamps inoperative?
|
| Go to Fog Lamps Inoperative
|
Go to Step 3
|
3
|
- Disconnect the BCM connector C1.
- Disconnect the fog lamp switch connector.
- Connect a DMM from the fog lamp switch connector terminal 4 to
ground.
- Connect a fused jumper (10 A) from the BCM connector C1 terminal
B3 to ground.
- Measure the voltage at the fog lamp switch connector terminal
5.
Is the voltage within the specified values?
| 10.0-14.0V
|
Go to Step
5
|
Go to Step 4
|
4
| Repair the open in CKT 122.
Is the repair complete?
|
| Go to Foglamp
Diagnostic System Check
|
|
5
|
- Disconnect BCM connector C3.
- Connect the DMM between the BCM connector C3 terminal B4 and the
fog lamp switch connector terminal 3.
- Measure the resistance of CKT 183 between the BCM connector C3
terminal B4 and the fog lamp switch connector terminal 3.
Is the resistance within the specified values?
| 0-3ohms
|
Go to Step
7
|
Go to Step 6
|
6
| Repair the open in CKT 183.
Is the repair complete?
|
| Go to Foglamp
Diagnostic System Check
|
|
7
|
- Reconnect the fog lamp switch connector.
- Connect a fused jumper (10 A) from the BCM connector C1 terminal
B3 to ground.
- Connect a fused jumper (10 A) from the BCM connector C3 terminal
B4 to ground.
Does the rear fog lamp indicator illuminate?
|
|
Go to Step 9
|
Go to Step 8
|
8
| Replace the fog lamp switch.
Is the repair complete?
|
| Go to Foglamp
Diagnostic System Check
|
|
9
| Replace
the BCM.
Is the repair complete?
|
| Go to Foglamp
Diagnostic System Check
|
|
