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Home >> Chrysler >> 2009 >> PT Cruiser Limited >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> (Cabin Compartment Node (CCN) - Electrical Diagnostics) >> DTC Troubleshooting >> B1612-Panel Illumination Control Circuit >> Diagnostic Test

Diagnostic Test

  1. CHECK FOR AN ACTIVE DTC 
    1. Turn the ignition on.
    2. With the scan tool, record and erase DTCs.
    3. Activate the Panel Illumination.
    4. Wait 30 seconds.
    5. With the scan tool, read DTCs.

      Does the scan tool display this DTC as 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 chaffed, 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 .
  2. CHECK THE CLOCK MODULE FOR A SHORT TO GROUND 
    Fig 1: Checking Clock Module For A Short To Ground
    GC0117549Courtesy of CHRYSLER LLC
    1. Disconnect the Clock Module harness connector.
    2. With the scan tool, read DTCs.

      Does the scan tool display this DTC as active?

      Yes 

      • Go to step  3

      No 

  3. CHECK THE A/C HEATER CONTROL FOR A SHORT TO GROUND 
    Fig 2: Checking A/C Heater Control For A Short To Ground
    GC0117550Courtesy of CHRYSLER LLC
    1. Disconnect the A/C Heater Control harness connector.
    2. With the scan tool, read DTCs.

      Does the scan tool display this DTC as active?

      Yes 

      • Go to step  4

      No 

  4. CHECK THE PRNDL LAMP FOR A SHORT TO GROUND 
    Fig 3: Checking PRNDL Lamp For A Short To Ground
    GC0117551Courtesy of CHRYSLER LLC
    1. Disconnect the PRNDL Lamp harness connector.
    2. With the scan tool, read DTCs.

      Does the scan tool display this DTC as active?

      Yes 

      • Go to step  5

      No 

  5. CHECK THE FRONT WINDOW SWITCH FOR A SHORT TO GROUND 
    Fig 4: Checking Front Window Switch For A Short To Ground
    GC0117552Courtesy of CHRYSLER LLC
    1. Disconnect the Front Window Switch harness connector.
    2. With the scan tool, read DTCs.

      Does the scan tool display this DTC as active?

      Yes 

      • Go to step  6

      No 

  6. CHECK THE (E12) PANEL LAMPS DRIVER CIRCUIT FOR A SHORT TO GROUND 
    Fig 5: Checking Panel Lamps Driver Circuit For A Short To Ground
    GC0117553Courtesy of CHRYSLER LLC
    1. Turn the ignition off.
    2. Disconnect the Instrument Cluster C1 harness connector.
    3. With all the above components disconnected, measure the resistance to ground of the (E12) Panel Lamps Driver Circuit from the Instrument Cluster C1 harness connector.

      Is the resistance less than 10K Ohms?

      Yes 

      No 

      • Go to step  7
  7. CHECK THE (E12) PANEL LAMPS DRIVER CIRCUIT FOR AN OPEN 
    Fig 6: Checking Panel Lamps Driver Circuit For An Open
    GC0117554Courtesy of CHRYSLER LLC
    1. With all the above components disconnected, measure the resistance of the (E12) Panel Lamps Driver Circuit between the Instrument Cluster C1 harness connector and the Window Switch harness connector.

      Is the resistance greater than 10K Ohms?

      Yes 

      No 

      • Go to step  8
  8. CHECK THE (E12) PANEL LAMPS DRIVER CIRCUIT FOR A SHORT TO VOLTAGE 
    Fig 7: Checking Panel Lamps Driver Circuit For A Short To Voltage
    GC0117555Courtesy of CHRYSLER LLC
    1. Turn the ignition on.
    2. With all the above components disconnected, measure the voltage of the (E12) Panel Lamps Driver Circuit from the Instrument Cluster C1 harness connector.

      Is the voltage above 5.0 volts?

      Yes 

      No