TEST
ACTION
APPLICABILITY
4
Remove the fog lamp relay from the Junction Block.
Disconnect the Junction Block C2 connector.
Using an ohmmeter measure the fog lamp relay output circuit from relay cavity 87
to ground.
Is the resistance below 0.5 ohms?
All
Yes
→
Replace the Junction Block.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Repair the relay output wire for a short to ground and replace the
fuse if necessary.
Perform BODY VERIFICATION TEST - VER 1.
5
For the results of this test to be valid, voltage must be present at the Junction Block
C5 connector cavity 3.
Measure the voltage of the B(+) circuit to fuse #24.
Is the voltage above 10.0 volts?
All
Yes
→
Go To
6
No
→
Replace the Junction Block.
Perform BODY VERIFICATION TEST - VER 1.
6
Install a known good relay in place of the Fog Lamp relay.
Does the system now operate correctly?
All
Yes
→
Replace the Fog Lamp relay.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Go To
7
7
Remove the Fog Lamp relay from the Junction Block.
Disconnect a Fog Lamp bulb connector.
Using an ohmmeter measure the Fog Lamp relay output circuit from relay cavity 87
to the fog lamp bulb connector.
Is the resistance below 0.5 ohms?
All
Yes
→
Go To
8
No
→
Repair the open fog lamp relay output circuit.
Perform BODY VERIFICATION TEST - VER 1.
8
Remove the Fog Lamp Relay from the Junction Block.
Turn ignition off. Remove the Body Control Module from the Junction Block.
Using an ohmmeter measure the Fog Lamp Relay control circuit from relay cavity 86
to the Junction Block Body Control Module connector cavity 2.
Was the resistance below 5.0 ohms?
All
Yes
→
Go To
9
No
→
Replace the Junction Block.
Perform BODY VERIFICATION TEST - VER 1.
9
Remove the fog lamp relay from the Junction Block.
Turn ignition off. Remove the Body Control Module from the Junction Block.
Using an ohmmeter measure the Fog Lamp Relay control ckt cavity 86 to ground at
the Junction Block.
Was the resistance below 10 ohms?
All
Yes
→
Replace the Junction Block.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Go To
10
255
EXTERIOR LIGHTING
*FOG LAMPS WILL NOT TURN ON —
Continued