Low/High Beam Headlamps Inoperative
Step
| Action
| Value(s)
| Yes
| No
|
1
| Were you
sent here from the DRL System Check?
| --
|
Go to Step
2
| Go to DRL System Check
|
2
|
- Disconnect connector C209.
- Connect a DMM between connector C209 terminal W and ground.
- Measure the voltage at connector C209 terminal W.
Is the voltage within the specified values?
| 10.0-14.0V
|
Go to Step 9
|
Go to Step 3
|
3
|
- Remove the HDLP Circuit Breaker #53 from the instrument panel
electrical center.
- Connect a DMM between the instrument panel electrical center terminal
A and ground.
- Measure the voltage at the instrument panel electrical center
terminal A.
Is the voltage within the specified values?
| 10.0-14.0V
|
Go to Step 4
| Refer to Power Distribution
|
4
| Connect a fused jumper (20 A) between
the instrument panel electrical center terminals A and B which is used for
the HDLP Circuit Breaker #53.
Does the 20 A fuse in the fused jumper open immediately?
| --
|
Go to Step 5
|
Go to Step 6
|
5
| Repair a short to ground in CKT 842.
Is the repair complete?
| --
| Go to DRL System Check
| --
|
6
|
- Leave the jumper in place.
- Connect a DMM between the headlamp switch connector C209 terminal
W and ground.
- Measure the voltage at the headlamp switch connector C209 terminal
W.
Is the voltage within the specified values?
| 10.0-14.0V
|
Go to Step 8
|
Go to Step 7
|
7
| Repair an open in CKT 842.
Is the repair complete?
| --
| Go to DRL System Check
| --
|
8
| Replace the HDLP
Circuit Breaker #53.
Is the repair complete?
| --
| Go to DRL System Check
| --
|
9
|
- Reconnect connector C209.
- Using a DMM, backprobe connector C209 terminal L with the positive
lead.
- Connect the negative lead to ground.
- Turn the headlamp switch to the ON position (headlamps on).
- Turn the dimmer switch to the low beam position.
- Measure the voltage at connector C209 terminal L.
Is the voltage within the specified values?
| 10.0-14.0V
|
Go to Step 11
|
Go to Step 10
|
10
| Replace the headlamp switch.
Is the repair complete?
| --
| Go to DRL System Check
| --
|
11
|
- Disconnect the underhood electrical center connector C2.
- Connect a DMM between the underhood electrical center connector
C2 terminal D10 and ground.
- Measure the voltage at the underhood electrical center connector
terminal D10.
Is the voltage within the specified values?
| 10.0-14.0V
|
Go to Step 12
|
Go to Step 13
|
12
| Replace the underhood electrical center .
Is the repair complete?
| --
| Go to DRL System Check
| --
|
13
| Repair an open in
CKT 11 and CKT 12.
Is the repair complete?
| --
| Go to DRL System Check
| --
|
