Chrysler Town, Dodge Caravan. Manual — part 812
Symptom:
RIGHT FRONT TURN SIGNAL OUTPUT SHORT
When Monitored and Set Condition:
RIGHT FRONT TURN SIGNAL OUTPUT SHORT
When Monitored:
Anytime the IPM is active.
Set Condition:
When output voltage status is Low.
POSSIBLE CAUSES
INTERMITTENT CONDITION
RIGHT FRONT TURN SIGNAL OUTPUT SHORT TO GROUND
TURN SIGNAL LAMP
INTELLIGENT POWER MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, clear all IPM DTC’s.
Actuate the Turn Signals.
With the DRBIII
t, read the DTC information.
Does the DRBIII
t read: Right Front 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 Right Front Turn Signal Lamp connector.
Disconnect the IPM harness connector.
Measure the resistance between the Right Front Turn Signal Output circuit and
ground.
Is the resistance below 100.0 ohms?
All
Yes
→ Repair the Right Front Turn Signal Output circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
484
EXTERIOR LIGHTING
TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Disconnect the Right Front Turn Signal Lamp connector.
Turn the ignition on.
Turn the Right Turn Signal on.
Using a 12-volt test light connected to ground, check the Right Front Turn Signal
Output circuit.
Does the test light illuminate brightly?
All
Yes
→ Replace the Turn Signal Lamp.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Intelligent Power Module.
Perform BODY VERIFICATION TEST - VER 1.
485
EXTERIOR LIGHTING
RIGHT FRONT TURN SIGNAL OUTPUT SHORT —
Continued
Symptom:
RIGHT HIGH BEAM HEADLAMP CIRCUIT OPEN
POSSIBLE CAUSES
FRONT CONTROL MODULE
GROUND CIRCUIT OPEN
RIGHT HEADLAMP
RIGHT HIGH BEAM DRIVER CIRCUIT OPEN
WIRING HARNESS INSPECTION
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRB, erase the Front Control Module 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 DRB, read Front Control Module DTC’s.
Is this DTC present?
All
Yes
→ Go To 2
No
→ Go To 5
2
Turn the ignition off.
Disconnect the Right Headlamp 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 Headlamp.
Disconnect the Front Control Module from the Intelligent Power Module.
Measure the resistance of the Right High Beam Driver circuit.
Is the resistance below 10.0 ohms?
All
Yes
→ Go To 4
No
→ Repair the Right High Beam Driver circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
486
EXTERIOR LIGHTING
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Right Headlamp harness connector.
Using a 12-volt test light connected to ground, check the Right High Beam Driver
circuit in the Right Headlamp harness connector.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Turn the high beam headlamps on.
Does the test light illuminate brightly?
All
Yes
→ Replace the Right Headlamp Bulb.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Front Control 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.
487
EXTERIOR LIGHTING
RIGHT HIGH BEAM HEADLAMP CIRCUIT OPEN —
Continued
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