Chrysler Pacifica. Manual — part 123
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Body Control Module C2 connector.
Disconnect the left rear tail lamp connector.
Measure the resistance of the Left Rear Turn Signal Driver Circuit to ground.
Is the resistance above 5.0 ohms?
All
Yes
→ Repair the Left Rear Turn Signal Lamp Driver Circuit for an open
condition.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
489
EXTERIOR LIGHTING
LEFT REAR TURN SIGNAL OUTPUT OPEN-BCM —
Continued
Symptom:
LEFT REAR TURN SIGNAL OUTPUT SHORT-BCM
POSSIBLE CAUSES
INTERMITTENT CONDITION
LEFT REAR TURN SIGNAL DRIVER CIRCUIT SHORT TO GROUND
TURN SIGNAL LAMP
BODY CONTROL MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, clear all BCM DTC’s.
Actuate the Turn Signals.
With the DRBIII
t, read the DTC information.
Does the DRBIII
t read: Left Rear Turn Signal Output Short?
All
Yes
→ Go To 2
No
→ The condition that caused the symptom is currently not present.
Inspect the related wiring for a possible intermittent condition.
Look for any chafed, pierced,pinched, or partially broken wires.
Perform BODY VERIFICATION TEST - VER 1.
2
Turn the ignition off.
Disconnect the Left Rear Turn Signal Lamp connector.
Disconnect the BCM harness connector.
Measure the resistance between the Left Rear Turn Signal Driver circuit and ground.
Is the resistance below 100.0 ohms?
All
Yes
→ Repair the Left Rear Turn Signal Driver circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
3
Turn the ignition off.
Disconnect the Left Rear Turn Signal Lamp connector.
Turn the ignition on.
Turn the Left Turn Signal on.
Using a 12-volt test light connected to ground, check the Left Rear Turn Signal
Driver circuit.
Does the test light illuminate brightly?
All
Yes
→ Replace the Turn Signal Lamp.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
490
EXTERIOR LIGHTING
Symptom:
LICENSE PLATE LAMP OUTPUT OPEN-IPM
When Monitored and Set Condition:
LICENSE PLATE LAMP OUTPUT OPEN-IPM
When Monitored:
Output is OFF.
Set Condition:
The IPM detects an open fault condition. Time to set is 1 second.
POSSIBLE CAUSES
GROUND CIRCUIT OPEN
INTEGRATED POWER MODULE
LICENSE PLATE LAMP
LICENSE PLATE LAMP DRIVER OPEN
WIRING HARNESS INSPECTION
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, erase the IPM DTC’s.
Turn the License Plate Lamp on.
With the DRB, read the IPM DTC’s.
Does the DRBIII
t read: License Plate Lamp Output Open?
All
Yes
→ Go To 2
No
→ Go To 5
2
Turn the ignition off.
Disconnect the License Plate Lamp harness connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit.
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
→ Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
3
Turn the ignition off.
Disconnect the License Plate Lamp.
Disconnect the IPM C9 harness connector.
Measure the resistance of the License Plate Lamp Driver circuit.
Is the resistance below 10.0 ohms?
All
Yes
→ Go To 4
No
→ Repair the License Plate Lamp Driver circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
491
EXTERIOR LIGHTING
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the License Plate Lamp harness connector.
Using a 12-volt test light connected to ground, check the License Plate Lamp Driver
circuit in the License Plate Lamp harness connector.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Turn the License Plate Lamp on.
Does the test light illuminate brightly?
All
Yes
→ Replace the License Plate Lamp Bulb.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Integrated Power Module.
Perform BODY VERIFICATION TEST - VER 1.
5
Turn the ignition off.
NOTE: Visually inspect the related wiring harness and circuits. Look for
any chafed, pierced, pinched, or partially broken wires.
NOTE: Visually inspect the related wiring harness connectors. Look for
broken, bent, pushed out, or corroded terminals.
NOTE: Refer to any Technical Service Bulletins (TSB) that may apply.
Were any problems found?
All
Yes
→ Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
492
EXTERIOR LIGHTING
LICENSE PLATE LAMP OUTPUT OPEN-IPM —
Continued
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