Chrysler RG Voyager. Manual — part 198
Symptom:
EL PANEL SHORT
POSSIBLE CAUSES
CHECK EXTERIOR ILLUMINATION
CHECK OPERATION OF ALL GAUGES
VERIFY CONCERN
PANEL LAMP DRIVER CIRCUIT SHORT TO GROUND
PANEL LAMP DRIVER OPEN CIRCUIT
OPEN GROUND CIRCUIT
BCM PANEL LAMP DRIVER CIRCUIT INTERNAL FAILURE
INSTRUMENT CLUSTER PANEL LAMPS DRIVER INTERNAL FAILURE
TEST
ACTION
APPLICABILITY
1
Ignition on, engine not running.
Turn the Headlamp Switch to the ON position.
Monitor the Instrument Cluster gauges for illumination.
Are any Instrument Cluster gauges illuminated?
All
Yes
→ Go To 3
No
→ Go To 2
2
Ignition on, engine not running.
Turn the Headlamp Switch to the ON position.
Monitor the Instrument Cluster gauges for illumination.
Are all of the Instrument Cluster gauges illuminated?
All
Yes
→ Go To 3
No
→ Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1.
3
Ignition on, engine not running.
Turn the headlamp switch to the ON position.
Monitor the Headlamps for illumination.
Are the Headlamps illuminated?
All
Yes
→ Go To 4
No
→ Refer to EXTERIOR ILLUMINATION for the related symp-
tom(s).
Perform BODY VERIFICATION TEST - VER 1.
4
Ignition on, engine not running.
With the DRBIII
t, erase DTCs.
Cycle the ignition switch from OFF to ON.
Wait 1 to 2 minutes for the system to cycle.
With the DRBIII
t, read DTCs.
Did the DTC reset?
All
Yes
→ Go To 5
No
→ Perform the Instrument Cluster Self-Test and verify the concern.
Perform BODY VERIFICATION TEST - VER 1.
761
INSTRUMENT CLUSTER
TEST
ACTION
APPLICABILITY
5
Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Measure the resistance between ground and the Panel Lamps Driver circuit
(Instrument Cluster harness).
Disconnect the BCM C2 harness connector.
Is the resistance above 10,000 ohms?
All
Yes
→ Go To 6
No
→ Repair the Panel Lamps Driver Circuit for a Short to Ground.
Perform BODY VERIFICATION TEST - VER 1.
6
Turn the ignition off.
Disconnect the BCM C2 harness connector.
Disconnect the Instrument Cluster harness connector.
Measure the resistance of the Panel Lamps Driver circuit between the BCM C2
connector and the Instrument Cluster connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 7
No
→ Repair the Panel Lamp Driver Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
7
Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Measure the resistance of the Instrument Cluster harness ground circuits.
Are the resistances below 5.0 ohms?
All
Yes
→ Go To 8
No
→ Repair Instrument Cluster ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
8
Turn the ignition off.
Disconnect the BCM C2 harness connector.
Connect a jumper wire between Panel Lamps Driver circuit (BCM C2 harness) and
B(+).
Turn the ignition on.
Monitor the Instrument Cluster gauges for illumination.
Did the Instrument Cluster gauges illuminate?
All
Yes
→ Replace the Body Control Module. With the DRBIII, erase DTC’s.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
762
INSTRUMENT CLUSTER
EL PANEL SHORT —
Continued
Symptom:
FRONT FOG LAMP INDICATOR OPEN
POSSIBLE CAUSES
INTERMITTENT WIRING AND CONNECTORS
FRONT FOG LAMP INDICATOR CIRCUIT OPEN
FRONT FOG LAMP INDICATOR GROUND CIRCUIT OPEN
FRONT FOG LAMP INDICATOR CIRCUIT SHORT TO VOLTAGE
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.
Turn on the Front Fog Lamps.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display FRONT FOG LAMP INDICATOR OPEN?
All
Yes
→ Go To 2
No
→ Go To 8
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 Front 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 6
3
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 of the Front Fog Lamp Indicator Ground circuit from the
Body Control Module harness connector to the Headlamp Switch harness connector.
Is the resistance above 5.0 ohms?
All
Yes
→ Repair the Front Fog Lamp Indicator Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
763
INSTRUMENT CLUSTER
TEST
ACTION
APPLICABILITY
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.
Ignition on, engine not running.
Measure the voltage of the Front Fog Lamp Indicator circuit in the Headlamp Switch
harness connector.
Is the voltage above 0.5 volt?
All
Yes
→ Repair the Front Fog Lamp Indicator circuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 5
5
If there are no possible causes remaining, view repair.
All
Repair
Replace the Headlamp Switch.
Perform BODY VERIFICATION TEST - VER 1.
6
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 of the Front Fog Lamp Indicator circuit from the Body
Control Module harness connector to the Headlamp Switch harness connector.
Is the resistance above 5.0 ohms?
All
Yes
→ Repair the Front Fog Lamp Indicator circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 7
7
If there are no possible causes remaining, view repair.
All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
8
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.
764
INSTRUMENT CLUSTER
FRONT FOG LAMP INDICATOR OPEN —
Continued
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