Chrysler RG Voyager. Manual — part 199
Symptom:
FRONT FOG LAMP INDICATOR SHORT TO GROUND
POSSIBLE CAUSES
INTERMITTENT WIRING AND CONNECTORS
FRONT FOG LAMP INDICATOR CIRCUIT SHORT TO GROUND
HEADLAMP SWITCH
BODY CONTROL MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, record and erase Body Control Module DTC’s.
Turn the ignition off, wait 15 seconds, then turn the ignition on.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display FRONT FOG LAMP INDICATOR SHORT TO GROUND?
All
Yes
→ Go To 2
No
→ Go To 6
2
Turn the ignition off to the lock position.
Note: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
Turn ON the Front Fog Lamps.
Using a 12-volt test light connected to ground, back probe the Rear Fog Lamp
Indicator circuit in the Headlamp Switch harness connector.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Does the test light illuminate brightly?
All
Yes
→ Go To 3
No
→ Go To 4
3
If there are no possible causes remaining, view repair.
All
Repair
Replace the Headlamp Switch.
Perform BODY VERIFICATION TEST - VER 1.
4
Turn the ignition off to the lock position.
Disconnect the Body Control Module harness connector.
Disconnect the Headlamp Switch harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Front Fog Lamp Indicator circuit.
Is the resistance below 5.0 ohms?
All
Yes
→ Repair the Front Fog Lamp Indicator circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 5
5
If there are no possible causes remaining, view repair.
All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
765
INSTRUMENT CLUSTER
TEST
ACTION
APPLICABILITY
6
The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this
circuit.
Wiggle the wiring while checking for shorts and open circuits.
Were there any problems found?
All
Yes
→ Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
766
INSTRUMENT CLUSTER
FRONT FOG LAMP INDICATOR SHORT TO GROUND —
Continued
Symptom List:
FUEL GAUGE CHECKSUM FAILURE
SPEEDOMETER CHECKSUM FAILURE
TACHOMETER CHECKSUM FAILURE
TEMPERATURE GAUGE CHECKSUM FAILURE
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be FUEL GAUGE CHECKSUM
FAILURE.
POSSIBLE CAUSES
INSTRUMENT CLUSTER
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, record and erase DTC’s.
Turn the ignition off, wait 15 seconds, then turn the ignition on.
With the DRBIII
t, read DTCs.
Did the Checksum DTC reset?
All
Yes
→ Replace the Instrument Cluster in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
767
INSTRUMENT CLUSTER
Symptom:
FUEL LEVEL SENDING UNIT INPUT OPEN
When Monitored and Set Condition:
FUEL LEVEL SENDING UNIT INPUT OPEN
When Monitored:
With the ignition on.
Set Condition:
Fuel Level Input to the BCM is greater than 9.8 volts for greater than 62.5
milliseconds.
POSSIBLE CAUSES
INTERMITTENT CONDITION
FUEL LEVEL SENSOR SIGNAL CIRCUIT SHORTED TO B(+)
GROUND CIRCUIT OPEN
FUEL LEVEL SENDING UNIT
FUEL LEVEL SENSOR SIGNAL CIRCUIT OPEN
BCM
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, erase DTCs.
Cycle the ignition off and on, leaving ignition key on for at least 15 seconds.
With the DRBIII
t in Body Computer, read DTCs.
Does the DTC reset?
All
Yes
→ Go To 2
No
→ Go To 7
2
Turn the ignition off.
Disconnect the Fuel Tank Module harness connector.
Turn the ignition on.
NOTE: The BCM sends out a low current 12 volt signal on the Fuel Level
Sensor Signal circuit. This low current should not illuminate a 12 volt test
light.
Using a 12-volt test light connected to ground, probe the Fuel Level Sensor Signal
circuit in the Fuel Tank Module harness connector.
Does the test light illuminate?
All
Yes
→ Repair the Fuel Level Sensor Signal circuit shorted to battery
voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
768
INSTRUMENT CLUSTER
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