Chrysler Pacifica. Manual — part 130
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Turn the Headlamps off.
Install a substitute Headlamp Bulb in place of the Right Headlamp Bulb.
Turn the ignition on.
With the DRBIII
t, erase the IPM DTC’s.
Turn the headlamps on.
Switch the headlamps between high beam and low beam several times, pausing for
5 seconds in each position.
With the DRBIII
t, read IPM DTC’s.
Does the DRBIII
t display this DTC?
All
Yes
→ Go To 5
No
→ Replace the original Right Headlamp Bulb.
Perform BODY VERIFICATION TEST - VER 1.
5
Turn the ignition off.
Inspect the wiring and connectors associated with the Right Low Beam Driver
circuit.
Were any problems found?
All
Yes
→ Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Integrated Power Module.
Perform BODY VERIFICATION TEST - VER 1.
517
EXTERIOR LIGHTING
RIGHT HEADLAMP LOW BEAM SHORT TO GROUND-IPM —
Continued
Symptom:
RIGHT REAR PARK/MARKER LAMP OPEN-IPM
When Monitored and Set Condition:
RIGHT REAR PARK/MARKER LAMP 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
RIGHT REAR PARK LAMP
RIGHT TAIL 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 Park Lamps on.
With the DRB, read the IPM DTC’s.
Does the DRBIII
t read: Right Rear Park/Marker Lamp Open?
All
Yes
→ Go To 2
No
→ Go To 5
2
Turn the ignition off.
Disconnect the Right Rear Park 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 Right Rear Park Lamp.
Disconnect the IPM C4 harness connector.
Measure the resistance of the Right Tail Lamp Driver circuit.
Is the resistance below 10.0 ohms?
All
Yes
→ Go To 4
No
→ Repair the Right Tail Lamp Driver circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
518
EXTERIOR LIGHTING
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Right Rear Park Lamp harness connector.
Using a 12-volt test light connected to ground, check the Right Tail Lamp Driver
circuit in the Right Rear Park Lamp harness connector.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Turn the Park Lamps on.
Does the test light illuminate brightly?
All
Yes
→ Replace the Right Rear Park 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.
519
EXTERIOR LIGHTING
RIGHT REAR PARK/MARKER LAMP OPEN-IPM —
Continued
Symptom:
RIGHT REAR PARK/MARKER LAMP SHORT TO GROUND-IPM
When Monitored and Set Condition:
RIGHT REAR PARK/MARKER LAMP SHORT TO GROUND-IPM
When Monitored:
Output is ON.
Set Condition:
The IPM detects a short fault condition. Time to set is 1 second.
POSSIBLE CAUSES
INTEGRATED POWER MODULE
RIGHT REAR PARK/MARKER LAMPS
RIGHT TAIL LAMP DRIVER SHORT TO GROUND
WIRING PROBLEM
WIRING HARNESS INSPECTION
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, clear the IPM DTC’s.
Turn the Park Lamps on.
With the DRBIII
t, read IPM DTC’s.
Is this DTC present?
All
Yes
→ Go To 3
No
→ Go To 2
2
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
→ Go To 3
3
Turn the ignition off.
Disconnect the Right Rear Park/Marker Lamp.
Disconnect the Intelligent Power Module C4 harness connector.
Measure the resistance between Ground and the Right Tail Lamp Driver circuit.
Is the resistance below 100.0 ohms?
All
Yes
→ Repair the Right Rear Tail Lamp Driver circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
520
EXTERIOR LIGHTING
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