Chrysler Town, Dodge Caravan. Manual — part 816
Symptom:
RIGHT REAR TURN SIGNAL OUTPUT SHORT
When Monitored and Set Condition:
RIGHT REAR TURN SIGNAL OUTPUT SHORT
When Monitored:
Anytime the BCM is active.
Set Condition:
When output voltage status is Low.
POSSIBLE CAUSES
INTERMITTENT CONDITION
RIGHT 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: Right 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 Right Rear Turn Signal Lamp connector.
Disconnect the BCM harness connector.
Measure the resistance between the Right Rear Turn Signal Driver circuit and
ground.
Is the resistance below 100.0 ohms?
All
Yes
→ Repair the Right Rear Turn Signal Driver circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
500
EXTERIOR LIGHTING
TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Disconnect the Right Rear 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 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.
501
EXTERIOR LIGHTING
RIGHT REAR TURN SIGNAL OUTPUT SHORT —
Continued
Symptom:
RIGHT SIDE PARK LAMP OPEN
When Monitored and Set Condition:
RIGHT SIDE PARK LAMP OPEN
When Monitored:
Anytime the FCM is active.
Set Condition:
When B+ voltage is below 10.0 volts.
POSSIBLE CAUSES
INTERMITTENT CONDITION
GROUND CIRCUIT
PARK LAMP
PARK LAMP FUSE #3
PARK LAMP OUTPUT CIRCUIT OPEN
PARK LAMP RELAY
FRONT CONTROL MODULE
INTELLIGENT POWER MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, clear all IPM DTC’s.
Turn the Park Lamps on.
With the DRBIII
t, read the DTC information.
Does the DRBIII
t read: Right Side Park Lamp Fuse Outage?
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 Park Lamp harness connector.
Using a 12-volt test light connected to 12-volts, check the ground circuit.
Does the test light illuminate brightly?
All
Yes
→ Go To 3
No
→ Repair the Ground Circuit.
Perform BODY VERIFICATION TEST - VER 1.
502
EXTERIOR LIGHTING
TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Disconnect the right front park lamp connector.
Turn the ignition on.
Turn the Park Lamps on.
Using a 12-volt test light connected to ground, check the Park Lamp Output circuit.
Does the test light illuminate brightly?
All
Yes
→ Replace the Park Lamp.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
4
Turn the ignition off.
Check the IPM Park Lamp Fuse #3.
Is the Fuse open?
All
Yes
→ Replace the Park Lamp Fuse #3.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 5
5
Turn the ignition off.
Install a known good relay in place of the Park Lamp Relay.
Turn the Park Lamps on.
Do the Park Lamps operate normally?
All
Yes
→ Replace the Park Lamp Relay.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 6
6
Turn the ignition off.
Disconnect the IPM harness connector.
Measure the resistance of the Park Lamp Output circuit to ground.
Is the resistance above 5.0 ohms?
All
Yes
→ Repair the Park Lamp Output circuit for an open condition.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 7
7
Turn the ignition off.
Remove the Park Lamp Relay.
Measure the voltage of the Fused B+ circuit of the Park Lamp Relay.
Is the voltage above 10.0 volts?
All
Yes
→ Replace the Front Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Intelligent Power Module.
Perform BODY VERIFICATION TEST - VER 1.
503
EXTERIOR LIGHTING
RIGHT SIDE PARK LAMP OPEN —
Continued
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