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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1367 (1.3L - DTCS P0784 To P1206) >> DTC Troubleshooting >> P1035-Cylinder 1 Oil Supply Solenoid Valve Open Circuit >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR AN ACTIVE DTC 
    1. Start the engine and allow it to idle.
      WARNING:

      When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result in possible serious or fatal injury.

    2. With the scan tool, read DTCs and record on the repair order.

      Is the DTC active or pending?

      Yes 

      • Go To  2

      No 

  2. CHECK THE VVA SOLENOID 1 RESISTANCE 
    1. Turn the ignition off.
    2. Disconnect the VVA Solenoid 1 harness connector.
    3. Measure the resistance across the terminals of the VVA Solenoid (component side).

      Is the resistance between 0.1 and 1.0 Ohms?

      Yes 

      • Go To  3

      No 

      • Replace the Variable Valve Actuator Assembly in accordance with the Service Information. Refer to ASSEMBLY, VARIABLE VALVE ACTUATION, REMOVAL AND INSTALLATION . After replacing the Variable Valve Actuator Assembly, perform the "Adaptives After Block Change" procedure with the scan tool. This function should be run after a VVA Actuator has been installed to prevent a false failure by resetting the adaptive memory back to the base calibration.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  3. CHECK THE (N32) VVA SOLENOID 1 SIGNAL CIRCUIT FOR AN OPEN/HIGH RESISTANCE 
    1. Disconnect the PCM C2 harness connector.
    2. Measure the resistance of the (N32) VVA Solenoid 1 Signal circuit between the VVA Solenoid 1 harness connector and the PCM C2 harness connector.

      Is the resistance below 2.0 Ohms?

      Yes 

      • Go To  4

      No 

      • Repair the (N32) VVA Solenoid 1 Signal circuit for an open or high resistance.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  4. CHECK THE (N33) VVA SOLENOID 1 RETURN CIRCUIT FOR AN OPEN/HIGH RESISTANCE 
    1. Measure the resistance of the (N33) VVA Solenoid 1 Return circuit between the VVA Solenoid 1 harness connector and the PCM C2 harness connector.

      Is the resistance below 2.0 Ohms?

      Yes 

      • Go To  5

      No 

      • Repair the (N33) VVA Solenoid 1 Return circuit for an open or high resistance.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  5. CHECK RELATED PCM AND COMPONENT CONNECTIONS 
    1. Perform any Service Bulletins that apply.
    2. Disconnect all PCM harness connectors.
    3. Disconnect all related in-line harness connections (if equipped).
    4. Disconnect the related component harness connectors.
    5. 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.
      • Check for spread terminals and verify proper terminal tension.

      Repair any conditions that are found.

    6. Reconnect all PCM harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
    7. Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
    8. Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
    9. With the scan tool, erase DTCs.
    10. Test drive or operate the vehicle in accordance with the when monitored and set conditions.
    11. With the scan tool, read DTCs.

      Did the DTC return?

      Yes 

      No 

      • The wiring or poor connection problem has been repaired.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
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