Chrysler Pacifica. Manual — part 114
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Body Control Module C2 harness connector.
Disconnect the inoperative rear tail lamp harness connector.
Measure the resistance of the Backup Lamp Driver Circuit.
Is the resistance above 5.0 ohms?
All
Yes
→ Repair the Backup 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.
453
EXTERIOR LIGHTING
BACKUP LAMP OUTPUT OPEN-BCM —
Continued
Symptom:
BACKUP LAMP OUTPUT SHORT-BCM
POSSIBLE CAUSES
INTERMITTENT CONDITION
BACKUP LAMP
BACKUP LAMP DRIVER CIRCUIT SHORT TO GROUND
BODY CONTROL MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition on. Engine OFF.
With the DRBIII
t, clear all BCM DTC’s.
Place the transmission in reverse.
With the DRBIII
t, read the DTC information.
Does the DRBIII
t read: Backup Lamp 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 on. Engine OFF.
Place the transmission in reverse.
Using a 12-volt test light connected to ground, check the Backup Lamp Output
circuit.
Does the test light illuminate brightly?
All
Yes
→ Replace the Backup Lamp.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
3
Turn the ignition off.
Disconnect the Body Control Module C2 harness connector.
Disconnect both rear tail lamp harness connector.
Measure the resistance of the Backup Lamp Driver circuit and ground.
Is the resistance below 5.0 ohms?
All
Yes
→ Repair the Backup Lamp Driver circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
454
EXTERIOR LIGHTING
Symptom:
HAZARD BATTERY POWER OPEN
When Monitored and Set Condition:
HAZARD BATTERY POWER OPEN
When Monitored:
BCM is active.
Set Condition:
When input voltage status is low.
POSSIBLE CAUSES
HAZARD BATTERY POWER FEED CIRCUIT SHORT TO GROUND
INTERMITTENT CONDITION
BODY CONTROL MODULE
HAZARD BATTERY POWER FEED CIRCUIT OPEN
INTEGRATED POWER MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition off.
Check the Hazard Battery Power Feed fuse in the IPM.
Is the fuse open?
All
Yes
→ Go To 2
No
→ Go To 3
2
Turn the ignition off.
Disconnect the BCM harness connector.
Measure the resistance between ground and the Hazard Battery Power Feed circuit.
Is the resistance below 5.0 ohms?
All
Yes
→ Repair the Hazard Battery Power Feed circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
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.
3
Turn the ignition off.
Disconnect the BCM harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, check the Hazard Battery Power Feed
circuit.
Does the test light illuminate brightly?
All
Yes
→ Replace and program the Body Control Module in accordance
with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
455
EXTERIOR LIGHTING
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the IPM and BCM harness connectors.
Measure the resistance of the Hazard Battery Power Feed circuit between the IPM
connector and the BCM connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Replace the Integrated Power Module in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair the Hazard Battery Power Feed circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
456
EXTERIOR LIGHTING
HAZARD BATTERY POWER OPEN —
Continued
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