P1136 - FAULT CODE - OBD2

POST UPDATED IN February, 2023

P1136 Code failures by brands

P1136 NISSAN, INFINITI: INTAKE VALVE TIMING CONTROL SOLENOID VALVE CIRCUIT BANK 2

Description of DTC code P1136

Some engines are equipped with an intake valve timing controller, which continuously adjusts the valve phasing according to driving conditions. This whole process is to improve low-mid range engine torque and high-speed range engine output, which produces low emissions and increases fuel consumption.

The intake valve timing control system has constant cam phasing control under constant valve operating angle conditions and adjusts the operating oil pressure to the controller via a control solenoid. The intake valve timing control solenoid is activated by ON/OFF pulse service signals from the ECM (Engine Control Module). This solenoid changes the amount of oil and the direction of oil flow to be sent through the timing control unit or whether oil flow will be stopped.

When the voltage sent from the control solenoid to the ECM is not within the expected range, the fault code P1136 OBDII will be set.

Symptoms of fault code P1136

  • Check Engine lamp illuminated.
  • Noticeable loss of engine power.
  • Irregular engine operation during idling.

Causes of OBD2 P1136

The P1136 OBD2 diagnostic code is set by one or more of the following factors:

  • The engine oil may have contamination or a level below the required level.
  • The intake valve timing control solenoid wiring harness for bank 2 may be faulty.
  • There may be a short in the intake valve solenoid circuit.
  • Possibly the intake valve control solenoid is in bad condition.

Possible solutions of the DTC code P1136

The steps to follow to correct the DTC P1136 OBDII code are as follows:

  • Consult the TSB (Technical Service Bulletins).
  • Before starting any repair related to this code, check that the engine oil is not contaminated or that the oil level is adequate. Make any necessary adjustments.
  • Check the intake valve solenoid wiring for damage from burning, wear, or corrosion. Repair or replace components if necessary.
  • Using a multimeter, check that the control solenoid circuit voltages are within the range specified by the manufacturer. If you detect an inconsistent value, check the integrity of the wiring as well as the connections. Repair as needed.
  • Perform intake valve solenoid resistance measurements. If this electrical value does not meet the requirements for proper operation, replace it.

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