LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Body Control Module (BCM) - DTCS B10B3-14 To B182C-13) >> Diagnosis And Testing >> B181E-13-Hood Ajar Input - Circuit Open >> 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 ACTIVE DIAGNOSTIC TROUBLE CODE (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 HOOD AJAR SWITCH FOR AN OPEN 
    1. Turn the ignition off.
    2. Disconnect the Hood Ajar Switch harness connector.
    3. Close the Hood Ajar Switch and measure the resistance between the two terminals of the switch.

      Is the resistance approximately 1K Ohms?

      Yes 

      • Go To  3

      No 

      • Replace the Hood Ajar Switch (Hood Latch Assembly) in accordance with the Service Information. Refer to LATCH, HOOD, REMOVAL .
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  3. CHECK THE (G70) HOOD AJAR SWITCH SENSE CIRCUIT FOR AN OPEN 
    1. Turn the ignition on.
    2. Measure the voltage between ground and the (G70) Hood Ajar Switch Sense circuit.

      Is the voltage above 4.9 volts?

      Yes 

      • Go To  4

      No 

      • Repair the open in the (G70) Hood Ajar Switch Sense circuit.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  4. CHECK THE (G931) GROUND CIRCUIT FOR AN OPEN 
    1. Turn the ignition off.
    2. Measure the resistance between ground and the (G931) Ground circuit.

      Is the resistance below 5.0 Ohms?

      Yes 

      No 

      • Repair the open in the (G931) Ground circuit.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .