Step
| Action
| Value(s)
| Yes
| No
|
DEFINITION:
LH or RH front side marker lamp is inoperative.
|
1
| Did you perform
the Exterior Lights Diagnostic System Check?
| --
|
Go to Step 2
| Go to
Exterior Lights System Check
.
|
2
|
- Turn the headlamp switch to the PARK position.
- Determine which front side marker lamp is inoperative.
Is the LH front side marker lamp inoperative?
| --
|
Go to Step 8
|
Go to Step
3
|
3
|
- Disconnect the RH front side marker lamp.
- Use a DMM in order to measure the voltage between terminal 2
of the RH front side marker lamp connector and a known good ground.
Does the voltage measure near the specified range?
| B+
|
Go to Step 5
|
Go to Step
4
|
4
|
- Locate an open or a high resistance in power feed CKT RU3
from splice S102.
- Repair the open or the high resistance in CKT RU3.
Did you complete the repair?
| --
|
Go to Step
13
| --
|
5
| Use the DMM in order to measure the resistance between terminal 1
of the RH front side marker lamp connector and a known good ground.
Does the resistance measure near the specified value?
| Less than 5 ohms
|
Go to Step 7
|
Go to Step 6
|
6
|
- Locate an open or a high resistance in circuits FU1, FU40
and/or FU20.
- Repair the open or the high resistance in circuits FU1,
FU40 and/or FU20.
- If these circuits are OK, replace the RH stop/taillamp. Refer
to
Side Marker Lamp Replacement
in Lighting Systems.
Did you complete the repair?
| --
|
Go to Step 13
| --
|
7
| Replace the RH front side marker lamp. Refer to
Side Marker Lamp Replacement
in Lighting
Systems.
Did you complete the repair?
| --
|
Go to Step
13
| --
|
8
|
- Disconnect the LH front side marker lamp.
- Use the DMM in order to measure the voltage between terminal 2
of the LH front side marker lamp connector and a known good ground.
Does the voltage measure near the specified value?
| B+
|
Go to Step 10
|
Go to Step 9
|
9
|
- Locate an open or a high resistance in power feed CKT RU2
from splice S102.
- Repair the open or the high resistance in powerfeed CKT RU2.
Did you complete the repair?
| --
|
Go to Step
13
| --
|
10
| Use the DMM in order to measure the resistance between terminal 1
of the LH front side marker lamp connector and a known good ground.
Does the resistance measure near the specified value?
| Less than 5 ohms
|
Go to Step 12
|
Go to Step 11
|
11
|
- Locate an open or a high resistance in circuits FM1, FM40
and/or FM20.
- Repair the open or the high resistance in circuits FM1,
FM40 and/or FM20.
- If these circuits are OK, replace the LH stop/taillamp. Refer
to
Side Marker Lamp Replacement
in Lighting Systems.
Did you complete the repair?
| --
|
Go to Step
13
| --
|
12
| Replace the LH front side marker lamp. Refer to
Side Marker Lamp Replacement
in Lighting
Systems.
Did you complete the repair?
| --
|
Go to Step
13
| --
|
13
|
- Connect all of the connectors and components that were previously
disconnected.
- Verify that the LH and RH front side marker lamps turn on.
Do the LH and RH front side marker lamps turn on?
| --
| Go to
Exterior Lights System Check
.
|
Go to Step 1
|
Step
| Action
| Value(s)
| Yes
| No
|
DEFINITION: LH or RH rear side marker lamp is inoperative.
|
1
| Did you perform the Exterior Lights Diagnostic System Check?
| --
|
Go to Step 2
| Go to
Exterior Lights System Check
.
|
2
|
- Turn the headlamp switch to the PARK position.
- Determine which rear side marker lamp is inoperative.
Is the LH rear side marker lamp inoperative?
| --
|
Go to Step 8
|
Go to Step 3
|
3
|
- Disconnect the RH rear side marker lamp.
- Use a DMM in order to measure the voltage between terminal 1
of the RH rear side marker lamp connector and a known good ground.
Does the voltage measure near the specified value?
| B+
|
Go to Step 5
|
Go to Step 4
|
4
|
- Locate an open or a high resistance in powerfeed circuits RA1
and/or RA20 from splice S260.
- Repair the open or the high resistance in circuits RA1 and/or
RA20.
Did you complete the repair?
| --
|
Go to Step
13
| --
|
5
| Use the DMM in order to measure the resistance between terminal 2
of the RH rear side marker lamp connector and a known good ground.
Does the resistance measure near the specified value?
| Less than 5 ohms
|
Go to Step 7
|
Go to Step 6
|
6
|
- Locate an open or a high resistance in circuits FU1 and/or FU30.
- Repair the open or the high resistance in circuits FU1 and/or
FU30.
- If these circuits are OK, replace the RH stop/taillamp. Refer
to
Side Marker Lamp Replacement
in Lighting Systems.
Did you complete the repair?
| --
|
Go to Step
13
| --
|
7
| Replace the RH rear side marker lamp. Refer to
Side Marker Lamp Replacement
in Lighting
Systems.
Did you complete the repair?
| --
|
Go to Step
13
| --
|
8
|
- Disconnect the LH rear side marker lamp.
- Use the DMM in order to measure the voltage between terminal 1
of the LH rear side marker lamp connector and a known good ground.
Does the voltage measure near the specified value?
| B+
|
Go to Step 10
|
Go to Step 9
|
9
|
- Locate an open or a high resistance in powerfeed circuits RF1
and/or RF20 from S261.
- Repair the open or the high resistance in powerfeed circuits RF1
and/or RF20.
Did you complete the repair?
| --
|
Go to Step
13
| --
|
10
| Use the DMM in order to measure the resistance between terminal 2
of the LH rear side marker lamp connector and a known good ground.
Does the resistance measure near the specified value?
| Less than 5 ohms
|
Go to Step 12
|
Go to Step 11
|
11
|
- Locate an open or a high resistance in circuits FM1 and/or FM30.
- Repair the open or the high resistance in circuits FM1 and/or
FM30.
- If these circuits are OK, replace the LH stop/taillamp. Refer
to
Side Marker Lamp Replacement
in Lighting Systems.
Did you complete the repair?
| --
|
Go to Step
13
| --
|
12
| Replace the LH rear side marker lamp. Refer to
Side Marker Lamp Replacement
in Lighting
Systems.
Did you complete the repair?
| --
|
Go to Step
13
| --
|
13
|
- Connect all of the connectors and components that were previously
disconnected.
- Verify that the LH and RH rear side marker lamps turn on.
Does the LH and RH rear side marker lamps turn on?
| --
| Go to
Exterior Lights System Check
.
|
Go to Step 1
|