Step
| Action
| Value(s)
| Yes
| No
|
DEFINITION:
Interior lamps dimming is inoperative.
|
1
| Did you perform the Interior Lamps
Dimming Diagnostic System Check?
| --
| Go to
Step 2
| Go to
Interior Lights Dimming System Check
|
2
|
- Turn on the ignition.
- Turn the headlamp switch to the PARK position.
- Do not disconnect the headlamp switch from its connector.
- Use a DMM in order to measure the voltage between terminal 1
of the headlamp switch and a known good ground.
Does the voltage measure near the specified value?
| B+
| Go to
Step 4
| Go to
Step 3
|
3
|
- Locate an open or a high resistance in CKT RU70.
- Repair the open or the high resistance in CKT RU70.
Did you complete the repair?
| --
| Go to
Step 9
| --
|
4
|
- Disconnect the headlamp switch.
- Use the DMM in order to measure the resistance between terminal 13
of the headlamp switch connector and a known good ground.
Does the resistance measure less than the specified value?
| 5 ohms
| Go to
Step 6
| Go to
Step 5
|
5
|
- Locate an open or a high resistance in CKT F18.
- Repair the open or the high resistance in CKT F18.
Did you complete the repair?
| --
| Go to
Step 9
| --
|
6
|
- Disconnect the headlamp switch.
- Use the DMM in order to measure the voltage between terminal 2
of the headlamp switch connector and a known good ground.
Does the voltage measure near the specified value?
| B+
| Go to
Step 7
| Go to
Step 8
|
7
|
- Locate a short to B+ in all of the related circuits.
- Repair the short to B+ in all of the related circuits.
Did you complete the repair?
| --
| Go to
Step 9
| --
|
8
| Replace the headlamp switch. Refer to
Headlamp Switch Replacement
in Instrument Panel, Gauges and Console.
Did you complete the repair?
| --
| Go to
Step 9
| --
|
9
|
- Connect all connectors and components that were previously disconnected.
- Verify that the interior lamps dim properly.
Do the interior lamps dim properly?
| --
| Go to
Interior Lights Dimming System Check
| Go to
Step 1
|
