Mic-Wiper Switch Input Circuit Open - Dodge Ram 2004 Service Manual

WINDSHIELD WIPER & WASHER
Symptom:

MIC-WIPER SWITCH INPUT CIRCUIT OPEN

When Monitored and Set Condition:
MIC-WIPER SWITCH INPUT CIRCUIT OPEN
When Monitored: With the ignition on.
Set Condition: The Instrument Cluster detects above 5.0 volts on the multi-function
circuit.
INTERMITTENT CONDITION
MULTI- FUNCTION SWITCH
INTERMITTENT WIPER SWITCH SENSE CIRCUIT OPEN
INSTRUMENT CLUSTER
TEST
1 Turn the ignition on.
With the DRBIII , clear all MIC DTC's.
Turn the Wipers ON.
With the DRBIII , read the DTC information.
Does the DRBIII read: Wiper Switch Input Circuit Open?
Yes → Go To 2
→ The condition that caused the symptom is currently not present.
No
2 Turn the ignition off.
Disconnect the Multi- Function Switch harness connector.
Ensure that the Multi- Function Switch is in the Off position.
Measure the internal resistance of the Multi- Function Switch between cavity 2 and
cavity 4.
Does the Multi- Function Switch measure more than 5.0 ohms?
Yes → Replace the Multi- Function Switch in accordance with the
→ Go To 3
No
POSSIBLE CAUSES
ACTION
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.
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
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APPLICABILITY
All
All