Chrysler Town, Dodge Caravan. Manual — part 851
TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Disconnect the Message Center harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit in the
Message Center harness connector.
Does the test light illuminate brightly?
All
Yes
→ Go To 4
No
→ Repair the Fused B+ circuit.
Perform BODY VERIFICATION TEST - VER 1.
4
Turn the ignition off.
Disconnect the Message Center harness connector.
Turn the ignition on.
Using a 12-volt test light connected to 12-volts, probe the Left Indicator Driver circuit
in the Message Center harness connector.
Operate the Multi-Function Switch and turn the Left Indication on.
Does the test light flash on and off?
All
Yes
→ Remove and inspect the bulb. If OK, replace the Message Center.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 5
5
Turn the ignition off.
Disconnect the Message Center harness connector.
Disconnect the BCM C4 harness connector.
Turn the ignition on.
Measure the voltage of the Left Turn Indicator Driver circuit at the Message Center
harness connector.
Is the voltage above 1.0 volts?
All
Yes
→ Repair the Left Turn Indicator for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 6
6
If there are no possible causes remaining, view repair?
All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
640
INSTRUMENT CLUSTER
LEFT TURN SIGNAL INDICATOR SHORT (HIGHLINE) —
Continued
Symptom:
LEFT TURN SIGNAL INDICATOR SHORT (LOWLINE)
When Monitored and Set Condition:
LEFT TURN SIGNAL INDICATOR SHORT (LOWLINE)
When Monitored:
With the ignition on.
Set Condition:
The BCM detects a short to voltage in the Left Turn Indicator Driver.
POSSIBLE CAUSES
INTERMITTENT CONDITION
FUSED B+ CIRCUIT
INSTRUMENT CLUSTER OPERATION
LEFT TURN INDICATOR DRIVER SHORTED TO VOLTAGE
BCM
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
Monitor the Left Turn Signal Indicator.
Operate the Left Turn Signal.
Is the Indicator lamp operating correctly?
All
Yes
→ Go To 2
No
→ Go To 3
2
WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?
All
Yes
→ Repair as necessary
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
641
INSTRUMENT CLUSTER
TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit in the
Instrument Cluster harness connector.
Does the test light illuminate brightly?
All
Yes
→ Go To 4
No
→ Repair the Fused B+ circuit.
Perform BODY VERIFICATION TEST - VER 1.
4
Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Turn the ignition on.
Using a 12-volt test light connected to 12-volts, probe the Left Indicator Driver circuit
in the Instrument Cluster harness connector.
Operate the Multi-Function Switch and turn the Left Indication on.
Does the test light flash on and off?
All
Yes
→ Remove and inspect the bulb. If OK, replace the Instrument
Cluster printed circuit board.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 5
5
Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Disconnect the BCM C4 harness connector.
Measure the voltage of the Left Turn Indicator Driver circuit at the Instrument
Cluster harness connector.
Is the voltage above 1.0 volts?
All
Yes
→ Repair the Left Turn Indicator for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 6
6
If there are no possible causes remaining, view repair?
All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
642
INSTRUMENT CLUSTER
LEFT TURN SIGNAL INDICATOR SHORT (LOWLINE) —
Continued
Symptom:
LOOPBACK FAILURE
POSSIBLE CAUSES
INSTRUMENT CLUSTER
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, record and erase DTC’s.
Turn the ignition off, wait 15 seconds, then turn the ignition on.
With the DRBIII
t, read DTCs.
Did the DTC reset?
All
Yes
→ Replace the Instrument Cluster in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
643
INSTRUMENT CLUSTER
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