Diagnostic Test

VERIFY THE DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE
1. Turn the ignition on.
2. With the scan tool, erase DTCs.
3. Turn the ignition off, wait 10 seconds, and turn the ignition on.
4. With the a/c control, turn on the Blower Motor.
5. With the scan tool, read DTCs.
  Does the scan tool display active: B10EA-BLOWER MOTOR CONTROL CIRCUIT HIGH?
  
  Yes
  - Go To 2
  No
  - The condition that caused this symptom is currently not present. 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. Repair as necessary.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE - BODY VERIFICATION TEST .
CHECK (C7) BLOWER MOTOR CONTROL CIRCUIT FOR AN OPEN

Fig 1: Measuring Resistance Of Blower Motor Control Circuit Between TIPM Harness Connector & Blower Motor Harness Connector
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the TIPM C8 harness connector.
3. Disconnect the Blower Motor harness connector.
4. Measure the resistance of the (C7) Blower Motor Control circuit between the TIPM C8 harness connector and the Blower Motor harness connector.
  Does the ohm meter read open circuit?
  
  Yes
  - Repair the (C7) Blower Motor Control circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE - BODY VERIFICATION TEST .
  No
  - Go To 3
CHECK (C7) BLOWER MOTOR CONTROL CIRCUIT FOR SHORT TO VOLTAGE

Fig 2: Checking Blower Motor Control Circuit For Short To Voltage
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition on.
2. With a volt meter measure the voltage on the (C7) Blower Motor Control circuit.
  Does the volt meter read above 10.0 volts?
  
  Yes
  - Repair the (C7) Blower Motor Control circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE - BODY VERIFICATION TEST .
  No
  - Go To 4
TOTALLY INTEGRATED POWER MODULE

Fig 3: Totally Integrated Power Module & Blower Motor Connectors
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition on.
2. With the scan tool, erase DTCs.
3. Turn the ignition off, wait 10 seconds, and turn the ignition on.
4. With the a/c control, turn on the Blower Motor.
5. With the scan tool, read DTCs.
  Does the scan tool display active: B10EA-BLOWER MOTOR CONTROL CIRCUIT HIGH?
  
  Yes
  - Replace the Totally Integrated Power Module (TIPM) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE - BODY VERIFICATION TEST .
  No
  - Replace the Blower Motor in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE - BODY VERIFICATION TEST .