LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 120 ((HVAC Systems - Electrical Diagnostics)) >> Electrical Diagnostics >> DTC Troubleshooting >> B10E9-Blower Motor Control Circuit Low (TIPM) >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2006 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
  1. 1)  VERIFY DTC B10E9-BLOWER MOTOR CONTROL CIRCUIT LOW IS ACTIVE 

    Turn the blower control switch to off.

    Turn the ignition off, wait 10 seconds, and turn the ignition on.

    With the scan tool, erase TIPM DTCs.

    Turn the ignition off, wait 10 seconds, and turn the ignition on.

    Turn the blower control switch to on.

    With the scan tool, read TIPM DTCs.

    Does the scan tool display active: B10E9-BLOWER MOTOR CONTROL CIRCUIT LOW? 

    Yes 

    1. Go To  2).

    No 

    1. 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, corroded, or contaminated terminals.
    2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .
  2. 2)  CHECK FOR ACTIVE DTC B10E9-BLOWER MOTOR CONTROL CIRCUIT LOW WITH BLOWER MOTOR HARNESS CONNECTOR DISCONNECTED 
    Fig 1: Blower Motor Harness Connector
    GC0043273Courtesy of DAIMLERCHRYSLER CORP.

    Turn the blower control switch to off.

    Disconnect the Blower Motor harness connector.

    Turn the ignition off, wait 10 seconds, and turn the ignition on.

    With the scan tool, erase TIPM DTCs.

    Turn the ignition off, wait 10 seconds, and turn the ignition on.

    Turn the blower control switch to on.

    With the scan tool, read TIPM DTCs.

    Does the scan tool display active: B10E9-BLOWER MOTOR CONTROL CIRCUIT LOW? 

    Yes 

    1. Go To  3).

    No 

    1. Replace the Blower Motor in accordance with the Service Information.
    2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .
  3. 3)  CHECK THE (C7) BLOWER MOTOR CONTROL CIRCUIT FOR A SHORT TO GROUND 
    Fig 2: Measuring Resistance Of Blower Motor Control Circuit
    GC0043274Courtesy of DAIMLERCHRYSLER CORP.

    Turn the ignition off.

    Disconnect the TIPM C8 harness connector.

    Measure the resistance of the (C7) Blower Motor Control circuit between ground and the Blower Motor harness connector.

    Is the resistance below 10k ohms? 

    Yes 

    1. Repair the (C7) Blower Motor Control circuit for a short to ground.
    2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .

    No 

    1. Replace the TIPM in accordance with the Service Information.
    2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .
scientia non olet · About LEMON Manuals