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Home >> Jeep >> 2022 >> Renegade Sport, FWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating & Air Conditioning - DTCS B11C9-00 To B1905-15 >> DTC Troubleshooting >> B1603-15-Right Solar Sensor-Circuit Short To Battery Or Open >> Diagnostic Test

Diagnostic Test

  1. CHECK FOR AN ACTIVE DTC 
    1. With the scan tool, read HVAC DTCs and record on the repair order.
    2. Record the Environmental Data.
    3. With the scan tool, erase DTCs.
    4. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
    5. With the scan tool, read HVAC DTCs.

      Did the DTC return?

      Yes 

      • Go To 2

      No 

  2. CHECK THE (G139) SUN SENSOR 2 SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE 
    1. Turn the ignition off to the lock position.
    2. Disconnect the Sun Sensor harness connector.
    3. Disconnect the HVAC Module harness connector.
      NOTE:

      Check connectors - Clean/repair as necessary.

    4. Ignition on, engine not running.
    5. Check the voltage of the (G139) Sun Sensor 2 Signal circuit.

      Is there any voltage present?

      Yes 

      • Repair the (G139) Sun Sensor 2 Signal circuit for an short to voltage.
      • Perform the HVAC VERIFICATION TEST. Refer to HVAC VERIFICATION TEST .

      No 

      • Go To 3
  3. CHECK THE (G139) SUN SENSOR 2 SIGNAL CIRCUIT FOR AN OPEN 
    1. Turn the ignition off to the lock position.
    2. Measure the resistance of the (G139) Sun Sensor 2 Signal circuit between the HVAC Module harness connector and the Sun Sensor harness connector.

      Is the resistance above 3.0 Ohms?

      Yes 

      • Repair the (G139) Sun Sensor 2 Signal circuit for an open.
      • Perform the HVAC VERIFICATION TEST. Refer to HVAC VERIFICATION TEST .

      No 

      • Go To 4
  4. CHECK THE (G939) SENSOR GROUND CIRCUIT FOR AN OPEN 
    1. Measure the resistance of the (G939) Sun Sensor Ground circuit between the HVAC Module C1 harness connector and the Sun Sensor harness connector.

      Is the resistance above 3.0 Ohms?

      Yes 

      • Repair the (G939) Sun Sensor Ground circuit for an open.
      • Perform the HVAC VERIFICATION TEST. Refer to HVAC VERIFICATION TEST .

      No 

      • Go To 5
  5. CHECK THE SUN SENSOR 
    1. Turn the ignition off to the lock position.
    2. Replace the Sun Sensor in accordance with the Service Information. Refer to SENSOR, SUN, REMOVAL AND INSTALLATION .
    3. Perform the HVAC VERIFICATION TEST. Refer to HVAC VERIFICATION TEST .

      Did the DTC reset during or after the HVAC Verification Test?

      Yes 

      • Go To 6

      No 

  6. CHECK RELATED HARNESS CONNECTIONS 
    1. Disconnect all HVAC Module harness connectors.
    2. Disconnect all related in-line harness connections (if equipped).
    3. Disconnect the related component harness connectors.
    4. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
      • Proper connector installation.
      • Damaged connector locks.
      • Corrosion.
      • Other signs of water intrusion.
      • Weather seal damage (if equipped).
      • Bent terminals.
      • Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
      • Terminals that have been pushed back into the connector cavity.
      • Perform a terminal drag test on each connector terminal to verify proper terminal tension.

      Repair any conditions that are found.

    5. Reconnect all HVAC Module harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
    6. Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
    7. Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
    8. With the scan tool, erase DTCs.
    9. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
    10. With the scan tool, read HVAC Module DTCs.

      Did the DTC return?

      Yes 

      No 

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