Diagnosis Procedure
WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CONNECTOR
- Turn the ignition switch OFF.
- Disconnect the 12V battery cable from the negative terminal.
- Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
- Accelerator pedal actuator/accelerator pedal position sensor
- Harness connector M157
- Harness connector M148
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Repair the terminal and connector.
- CHECK HARNESS FOR OPEN CIRCUIT
- Disconnect the connector of accelerator pedal actuator/accelerator pedal position sensor.
- Check the resistance between the accelerator pedal actuator/accelerator pedal position sensor harness connector terminals.
Accelerator pedal actuator/accelerator pedal position sensor harness connector Resistance (Ω) Connector No. Terminal No. M124 3 9 Approx. 54 - 66
Is the measurement value within the specification?
YES
GO TO STEP 3 .
NO
Repair the accelerator pedal actuator branch line.
- CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the accelerator pedal actuator. Refer to DIAGNOSIS PROCEDURE .
Is the inspection result normal?
YES (Present error)
Replace the accelerator pedal assembly. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .
YES (Past error)
Error was detected in the accelerator pedal actuator branch line.
NO
Repair the power supply and the ground circuit.