Step
| Action
| Value(s)
| Yes
| No
|
1
| Did you perform the Fog Lights Diagnostic System Check?
| --
| Go to
Step 2
| Go to
Fog Lights System Check
|
2
|
- Disconnect the multifunction relay K134 connector.
- Turn the ignition switch to the ON position.
- Use the DMM in order to measure the voltage between terminal 10
of the multifunction relay K134 connector and a known good ground.
Is the measured voltage within the specified value?
| B+
| Go to
Step 4
| Go to
Step 3
|
3
|
- Locate an open or a high resistance in circuit X820.
- Repair the open or the high resistance in CKT X820.
Is the repair complete?
| --
| Go to
Step
19
| --
|
4
|
- Turn the headlamp switch to the PARK position.
- Use the DMM in order to measure the voltage between terminal 3
of the multifunction relay K134 connector and a known good ground.
Is the measured voltage within the specified value?
| B+
| Go to
Step 6
| Go to
Step 5
|
5
|
- Locate an open or a high resistance in CKT RF75.
- Repair the open or the high resistance in CKT RF75.
Is the repair complete?
| --
| Go to
Step
19
| --
|
6
| Use the DMM in order to measure the voltage between terminal 1
of the multifunction relay K134 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 CKT FA888.
- Repair the open or the high resistance in CKT FA888.
- If CKT FA888 is OK, replace the right high beam headlamp
relay K132.
Did you complete the repair?
| --
| Go to
Step
19
| --
|
8
|
- Disconnect the headlamp switch connector.
- Use the DMM in order to measure the resistance between terminal 13
of the headlamp switch 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 CKT F18.
- Repair the open or the high resistance in CKT F18.
Did you complete the repair?
| --
| Go to
Step
19
| --
|
10
| Use the DMM in order to measure the resistance between terminal 10
of the headlamp switch connector and terminal 8 of the multifunction
relay K134 connector.
Is the measured resistance less than the specified value?
| 5 ohms
| Go to
Step 12
| Go to
Step 11
|
11
|
- Locate an open or a high resistance in CKT FP28.
- Repair the open or the high resistance in CKT FP28.
Did you complete the repair?
| --
| Go to
Step
19
| --
|
12
|
- Connect the multifunction relay K134 connector.
- Connect a fused jumper between terminal 10 and 13 of the
headlamp switch connector.
Do the fog lamps turn ON?
| --
| Go to
Step
13
| Go to
Step 14
|
13
| Replace the fog lamp switch. Refer to
Headlamp Switch Replacement
in Lighting Systems.
Did you complete the repair?
| --
| Go to
Step
19
| --
|
14
|
- Disconnect both the left and the right fog lamp.
- Use the DMM in order to measure the voltage between terminal 1
of the left fog lamp and a known good ground.
- Use the DMM in order to measure the voltage between terminal 1
of the right fog lamp and a known good ground.
Is the measured voltage for both measurements within the specified value?
| B+
| Go to
Step 16
| Go to
Step 15
|
15
|
- Locate and repair an open or a high resistance in circuits FP1,
FP2, FP3, FP27, FP50and/or FP36.
- Repair the open or the high resistance in circuits FP1,
FP2, FP3, FP27, FP50 and/or FP36.
- If these circuits are OK, replace the multifunction relay K134.
Did you complete the repair?
| --
| Go to
Step
19
| --
|
16
|
- Use the DMM in order to measure the resistance between terminal 2
of the left fog lamp and a known good ground.
- Use the DMM in order to measure the resistance between terminal 2
of the right fog lamp and a known good ground.
Is the measured resistance for both measurements less than the specified
value?
| 5 ohms
| Go to
Step 18
| Go to
Step 17
|
17
|
- Locate an open or a high resistance in circuits F1, F3
and/or F4.
- Repair the open or the high resistance in circuits F1,
F3 and/or F4.
Did you complete the repair?
| --
| Go to
Step
19
| --
|
18
| Replace the left and/or right fog lamps. Refer to
Front Fog Lamp Bulb Replacement
in Lighting Systems.
Did you complete the repair?
| --
| Go to
Step
19
| --
|
19
|
- Connect all connectors and components that were previously disconnected.
- Verify that the fog lamps operate properly.
Do the fog lamps operate properly?
| --
| Go to
Fog Lights System Check
| Go to
Step 1
|
