Step
| Action
| Value(s)
| Yes
| No
|
1
| Did you perform the Headlight System Check?
| --
| Go to
Step 2
| Go to
Headlight System Check
|
2
|
- Disconnect the daytime running lamp relay K133.
- Disconnect the LH high beam headlamp relay K73.
- Use the DMM to measure the voltage between terminal 3 of the daytime
running lamp relay K133 connector and a known good ground.
- Use the DMM to measure the voltage between terminal 5 of the daytime
running lamp relay K133 connector and a known good ground.
- Use the DMM to measure the voltage between terminal 3 of the LH
high beam headlamp relay K73 and a known good ground.
Is the measured voltage for all three measurements within the specified
value?
| B+
| Go
to
Step 4
| Go to
Step 3
|
3
|
- Locate an open or a high resistance in circuits A10, A825 and/or
A832.
- Repair the open or the high resistance in circuits A10, A825 and/or
A832.
Is the repair complete?
| --
| Go to
Step
11
| --
|
4
|
- When the high beam switch is pressed, B+ is input into terminal
A4 of the BCM connector C1. The BCM then pulls terminals C5 and C8 of connector
C2 low.
- Use the DMM to measure the voltage between terminal 1 of the day
time running lamp relay K133 connector and a known good ground.
- Use the DMM to measure the voltage between terminal 1 of the LH
high beam headlamp relay K73 connector and a known good ground.
Is the measured voltage for both measurements equal to the specified
value?
| 0 V
| Go to
Step 6
| Go to
Step 5
|
5
|
- Locate a short to B+ in circuits XY802, M60, M62, M69 and/or M70.
- Repair the short to B+ in circuits XY802, M60, M62, M69 and/or
M70.
- If these circuits are OK, replace the BCM. Refer to
Body Control Module Replacement
in Body Control
System.
Is the repair or replacement complete?
| --
| Go to
Step 11
| --
|
6
|
- Reconnect K133 and K73 relays.
- Disconnect the LH high beam headlamp.
- Use the DMM in order to measure the voltage between terminal E
of the LH high beam headlamp connector and a known good ground.
Is the measured voltage within the specified value?
| B+
| Go to
Step 8
| Go to
Step 7
|
7
|
- Locate an open or a high resistance in circuits M8 and/or M2.
- Repair the open or the high resistance in circuits M8 and/or M2.
- If these circuits are OK, replace the daytime running lamps relay
K133.
Is the repair or replacement complete?
| --
| Go to
Step 11
| --
|
8
| Use the DMM to measure the resistance between terminal B of the LH high
beam headlamp connector and a known good ground.
Is the measured resistance less than the specified value?
| 5 ohms
| Go to
Step 10
| Go to
Step 9
|
9
|
- Locate an open or a high resistance in circuits FM13, FM19 and/or
F803.
- Repair the open or the high resistance in circuits FM13, FM19
and/or F803.
- If these circuits are OK, replace the LH high beam headlamp relay
K73.
Is the repair or replacement complete?
| --
| Go to
Step 11
| --
|
10
| Replace the LH high beam headlamp. Refer to
Headlamp Bulb Replacement
in Lighting Systems.
Is the replacement complete?
| --
| Go to
Step
11
| --
|
11
|
- Connect all connectors and components that were disconnected.
- Verify that the LH high beam headlamp operates properly.
Does the LH high beam headlamp operate properly?
| --
| Go to
Headlight System Check
| Go to
Step 1
|
