LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 69 (Body Control Module (BCM) - DTCS B1830-11 To U1433-24) >> Diagnosis And Testing >> U1433-24-Implausible Ignition Switch Status Message Received - Signal Stuck High >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR AN ACTIVE DTC 
    1. Turn the ignition on.
    2. With the scan tool, read DTCs.

      Does the scan tool display this DTC as active?

      Yes 

      • Go To  2

      No 

      • Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  2. CHECK THE (F20) IGNITION RUN-START OUTPUT CIRCUIT FOR A SHORT TO BATTERY VOLTAGE 
    Fig 1: Checking Ignition Run-Start Output Circuit For A Short To Battery Voltage
    GC0150513Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Disconnect the BCM E harness connector.
    3. Disconnect the RF Hub Module C1 harness connector.
    4. Turn the ignition on.
    5. Measure the voltage between ground and the (F20) Ignition Run-Start Output circuit.

      Is there any voltage present?

      Yes 

      • Repair the short to voltage in the (F20) Ignition Run-Start Output circuit.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Go To  3
  3. CHECK THE RF HUB MODULE FOR AN INTERNAL SHORT TO VOLTAGE 
    Fig 2: Checking RF HUB Module For An Internal Short To Voltage
    GC0150513Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Reconnect the RF Hub Module C1 harness connector.
    3. Measure the voltage between ground and the (F20) Ignition Run-Start Output circuit.

      Is there any voltage present?

      Yes 

      No