Symptom:
MIC-TURN HAZARD SWITCH INPUT CIRCUIT OPEN
POSSIBLE CAUSES
INTERMITTENT CONDITION
MULTIFUNCTION SWITCH
WIPER/TURN/BEAM SELECT SWITCH SENSE
INSTRUMENT CLUSTER
TURN LAMPS SWITCH FEED CIRCUIT
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, clear all MIC DTC’s.
Actuate the Hazard Lamps.
With the DRBIIIt, read the DTC information.
Does the DRBIIIt read: Turn Hazard Switch Input Circuit Open?
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 Disconnect the Multifunction Switch connector.
Turn the ignition on.
Measure the voltage of the Multifunction Switch between the Sense circuit and the
Feed circuit.
Does the voltage read 0.0volts?
All
Yes → Replace the Multifunction Switch.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 3
3 Turn the ignition off.
Disconnect the Multifunction Switch connector.
Disconnect the Instrument Cluster C3 connector.
Measure the resistance of the Wipe/Turn/Beam select sense circuit.
Is the resistance below 5.0 ohms?
All
Yes → Go To 4
No → Repair the Wiper/Turn/Beam Select Switch Sense circuit.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off
Disconnect the Multifunction Switch connector.
Disconnect the Instrument Cluster C2 connector.
Measure the resistance of the Turn Lamps Switch Feed circuit.
Is the resistance below 5.0 ohms?
All
Yes → Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1.
No → Repair the Turn Lamps Switch Feed circuit.
Perform BODY VERIFICATION TEST - VER 1.
360
EXTERIOR LIGHTING
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