Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, record and erase DTCs.
3. Activate the rear wiper switch.
4. Wait 30 seconds.
5. With the scan tool, read DTCs.
  Is the DTC active?
  
  Yes
  - Go to step 2
  No
  - The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
CHECK THE (W213) REAR WIPER INDICATOR DRIVER CIRCUIT FOR AN OPEN

Fig 1: Checking Rear Wiper Indicator Driver Circuit For Open
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Cluster C3 harness connector.
3. Measure the resistance of the (W213) Rear Wiper Indicator Driver Circuit between the Cluster Harness connector and the Switch Bank harness connector.
  Is the resistance above 5.0 ohms?
  
  Yes
  - Repair the (W213) Rear Wiper Indicator Driver Circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 3
CHECK THE OPERATION OF THE REAR WIPER SWITCH

Fig 2: Measuring Voltage At Rear Wiper Indicator Driver Circuit At Cluster Harness Connector C3
Courtesy of CHRYSLER LLC
1. Turn the ignition on.
2. Reconnect the Switch Bank harness connector.
3. Measure the voltage on the (W213) Rear Wiper Indicator Driver Circuit at the Cluster C3 harness connector.
  Is the voltage above 10.0 volts?
  
  Yes
  - Replace the Cluster in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Replace the Switch Bank in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .