Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Dakota. However, it is still accessible from the selected car via links, so may be relevant.

INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all CCN DTCs.
3. Actuate the Hazard Lamps.
4. With the scan tool, read the DTC information.
  Does the scan tool read: B160D-TURN/HAZARD SWITCH INPUT CIRCUIT LOW?
  
  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 the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
MULTIFUNCTION SWITCH
1. Disconnect the Multifunction Switch connector.
2. Turn the ignition on.
3. Measure the voltage of the (G902) MUX Return circuit.
  Does the voltage read 5.0 volts?
  
  Yes
  - Go To 3.
  No
  - Replace the Multifunction Switch in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
(G902) MUX RETURN CIRCUIT

Fig 1: Checking MUX Return Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Multifunction Switch connector.
3. Disconnect the Instrument Cluster C2 connector.
4. Measure the resistance of the (G902) MUX Return circuit to ground.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Repair the (G902) MUX return circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Instrument Cluster in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .