Chrysler Pacifica. Manual — part 126
Symptom:
RIGHT FRONT PARK LAMP SHORT TO GROUND-IPM
When Monitored and Set Condition:
RIGHT FRONT PARK 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 FRONT PARK LAMP
RIGHT FRONT PARK 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 Front Park Lamp.
Disconnect the Intelligent Power Module C5 harness connector.
Measure the resistance between Ground and the Right Front Park Lamp Driver
circuit.
Is the resistance below 100.0 ohms?
All
Yes
→ Repair the Right Front Park Lamp Driver circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
501
EXTERIOR LIGHTING
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Turn the Park Lamps off.
Install a substitute Park Lamp Bulb in place of the Right Park Lamp Bulb.
Turn the ignition on.
With the DRBIII
t, erase the IPM DTC’s.
Turn the Park Lamps on.
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 Front Park Lamp Bulb.
Perform BODY VERIFICATION TEST - VER 1.
5
Turn the ignition off.
Inspect the wiring and connectors associated with the Right Front Park Lamp 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.
502
EXTERIOR LIGHTING
RIGHT FRONT PARK LAMP SHORT TO GROUND-IPM —
Continued
Symptom:
RIGHT FRONT SIDE MARKER LAMP OPEN-IPM
When Monitored and Set Condition:
RIGHT FRONT SIDE 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 FRONT SIDE MARKER LAMP
RIGHT FRONT SIDE MARKER 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 Side Marker Lamps on.
With the DRB, read the IPM DTC’s.
Does the DRBIII
t read: Right Front Side Marker Lamp Open?
All
Yes
→ Go To 2
No
→ Go To 5
2
Turn the ignition off.
Disconnect the Right Front Side Marker 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 Front Side Marker Lamp.
Disconnect the IPM C5 harness connector.
Measure the resistance of the Right Front Side Marker Lamp Driver circuit.
Is the resistance below 10.0 ohms?
All
Yes
→ Go To 4
No
→ Repair the Right Front Side Marker Lamp Driver circuit for an
open.
Perform BODY VERIFICATION TEST - VER 1.
503
EXTERIOR LIGHTING
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Right Front Side Marker Lamp harness connector.
Using a 12-volt test light connected to ground, check the Right Front Side Marker
Lamp Driver circuit in the Right Front Side Marker Lamp harness connector.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Turn the Side Marker Lamps on.
Does the test light illuminate brightly?
All
Yes
→ Replace the Right Front Side Marker 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.
504
EXTERIOR LIGHTING
RIGHT FRONT SIDE MARKER LAMP OPEN-IPM —
Continued
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